ProductList
- cycloidal-planetary-gear-speed-reducer
- gear-reducer
- ZQ, ZQH, ZQSH gear reducer
- The PM type cylindrical gear reducer
- The ZQA type cylindrical gear reducer
- The PJ type cylindrical gear reducer
- ZQ, ZQD high speed cylindrical gear reducer
- ZD, ZDH, ZDSH type reducer
- ZL, ZLH, ZLSH type reducer
- ZS, ZSH, ZSSH type reducer
- JZQ series gear reducer
- Gear ZLY, ZLZ hardened surface of cylindrical gear reducer JB/T8853-2001
- ZSC, ZSC (A).reduction box
- Gear ZDY, ZDZ hardened surface of cylindrical gear reducer JB/T8853-2001
- YK series conical and cylindrical gear reducer YB/T050-93
- Gear ZSY, ZSZ hardened surface of cylindrical gear reducer JB/T8853-2001
- K series conical and cylindrical gear reducer
- FDBY cone cylindrical gear reducer ZBJ19026-90
- FZLY cylindrical gear reducer ZBJ19004-88
- YN series gear reducer YB/T050-93
- HNK type circular arc gear reducer YB/T050-93
- QJY series of hoisting machinery reducer
- QJL crane vertical reducer JB/T8905.3-1999
- QJT crane set type reducer JB/T8905.4-1999
- QJD crane base type reducer JB/T8905.2-1999
- QJ type crane reducer JB/T89051-1999
- ZZL cone cylindrical gear reducer
- S series gear reducer
- DBY, DCY, DBZ, DCZ cylindrical gear reducer JB/T9002-1999
- ZDS type gear reducer JB/T5560-1991
- GS type high speed involute cylindrical gear box
- MHS, HS series of gear box
- JDX edge drive reducer JC/T878.2-2001
- The TJ315 type cylindrical gear reducer
- ZJY type shaft mounted cylindrical gear reducer JB/T 7007-1993
- ZWS series of spiral bevel gear reducer
- C a helical gear reducer
- PYZ series hardened shaft mounted speed reducer
- CR helical gear reducer
- CE two stage helical gear reducer
- ZLD, ZLDA spiral bevel gear reducer
- ZLS, ZLSA spiral bevel gear reducer
- ZLZ series of spiral bevel gear reducer
- JS series gear reducer
- NGLED gear reducer
- HD bevel gear commutator
- BZ series of spiral bevel gear steering box
- NT series of spiral bevel gear reducer
- XT series of spiral bevel gear reducer
- TH, TB high power reducer
- CHD type gear reducer motor
- Type CHM: horizontal straight gear reducer
- CH horizontal type single-phase, three-phase motor gear reducer
- Type CVD: gear reducer motor
- CVM type: straight vertical junction type gear reducer
- CV type vertical single-phase, three-phase motor gear reducer
- RC series helical (spiral bevel) steering gear box
- T series of spiral bevel gear steering box
- Z series spiral bevel gear reducer
- H helical gear box B spiral bevel gear helical gear box
- GH type roller movable teeth reducer JB/T6137-1992
- TZ series coaxial gear reducer JB/T7000-1993
- LC, LC (A) type two hardened cylinder gear vertical reducer
- LCW type horizontal level two hardened cylinder gear reducer
- DC, LDC, DCW cylindrical gear reducer
- DJC type vertical single-stage hardened cylinder gear reducer
- DSC, DZC vertical cylindrical gear reducer
- LPJ, LPB, LPP type vertical parallel shaft reducer of hard toothed surface
- FJ hardened cylinder gear reducer
- TY series coaxial gear reducer ZBJ19009-88
- Reducer ZBJI19027 with type QS
- NHD110 gear reducer
- DT series of spiral bevel gear reducer
- MC series hardened - gear speed reducer
- LTJ series transmission gear reducer
- VCYK type cone cylindrical gear reducer
- SD gear side mixer
- LC coaxial gear reducer
- TC cross spiral bevel gear reversing reducer
- QSJ series of cylindrical gear reducer
- PC series gear reducer
- SPJ-800 type reducer
- TYL series hardened cylinder gear reducer
- XT series gear reducer
- DBS series of unilateral double driving mill reducer
- ZJ axial cylindrical gear reducer JB/T 7337-1994
- ZL2 (Ⅱ 1 Chaplygin 2) cylindrical gear two stage reducer
- SP series conical gear commutator
- B180G type vertical cylinder gear reducer
- AT series spiral bevel gear reducer
- TE, TEK cylindrical gear reducer
- TF, TFK conical, cylindrical gear reducer
- QS, QSE, LG type "three in one" (jb-t9003-2004).
- QSC type "three in one" (jb-t9003-2004).
- PV series universal gear box
- ZD80, ZD90, ZD100 series helical gear reducer
- ZD (H) MCD80, 90, 100 series of cylindrical gear reducer
- The TMG suspension gear reducer
- SXH/B high power gear box
- DB spiral bevel gear DH parallel shaft helical gear reducer
- PJT series flat double gear box
- XHXB helical bevel gear series high power reducer
- MCD series gear reducer
- TEX type gear reducer
- TK series gear reducer
- TM series gear reducer
- JH/B series of industrial gear box
- ZFY, ZXY type of hardened cylinder gear reducer
- TD9000 series of hardened gear reducer
- TW, TWC series of shaft mounted speed reducer
- TA, TC9000 type of hardened gear reducer
- SL series high power gear box
- The PR module type gear reducer
- DSZC (D) universal speed reducer
- SKH type circular arc gear speed reducer
- ZSC (D) type high speed reducer
- LPYB-J, LSYB-J type vertical parallel axis gear reducer
- LFY type two stage vertical flange reducer of hard toothed surface
- GOJ type of hardened gear reducer
- JPT type of involute cylindrical gear reducer (JB-T10244-2001)
- KPTH type of involute cylindrical gear reducer JB/T10243 - 2001
- The B315 type cylindrical gear reducer
- AJ48 gear reducer
- GY type high speed arc cylindrical gear speed reducer increase (decrease)
- CF series conical cylindrical gear reducer
- TZ type three level vertical gear reducer
- TCJ series of cylindrical gear reducer
- QY hardened gear reducer for crane
- planet-gear-speed-reducer
- Gear-motor
- Worm-gear-reducer
- Harmonic reducer
- elevator
- Stepless reducer
- Special-reducer
- clutch
- support
- Three-reduction-box
- Belt-reduction-box
- Enterprise standard reducer (device)
- coupler-coupling
- Precision reducer
- Combined speed reducer
- Taiwan-foreign-reducer
- arrester
- motorized pulleys ;
- Electric
- Backstop
- asynchronous-motor
- synchronous-motor
- bearing enelosure; bearing oil seal ;
- Reducer fittings
- Lubricating oil, lubricating grease
Current positionReducerHome>> gear-reducer >> DBY, DCY, DBZ, DCZ cylindrical gear reducer JB/T9002-1999Suppliers
Logo
Introduction
Jiangyin Gearbox Manufacturing Co., Ltd. 产品样本
Chinese Name:江阴齿轮箱制造有限公司
Recommended for:




Jiangyin Gearbox Manufacturing Co., Ltd.
Chinese Name:江阴齿轮箱制造有限公司
Recommended for:





Jiangyin Gearbox Manufacturing Co., Ltd.
Indigo Wuxi reducer Co. Ltd. 产品样本
Chinese Name:无锡迪格减速机有限公司
Recommended for:




Indigo Wuxi reducer Co. Ltd.
Chinese Name:无锡迪格减速机有限公司
Recommended for:





Indigo Wuxi reducer Co. Ltd.
Shandong Laiwu Coal Mining Machinery Co., Ltd. gear forging company 产品样本
Chinese Name:山东莱芜煤矿机械有限公司齿轮锻造公司
Recommended for:




Shandong Laiwu Coal Mining Machinery Co., Ltd. is a national coal machine and product design, manufacturing backbone enterprises, the existing staff of 1800 people, including all types of professional and technical personnel 400 people, have advanced title 60 people, engineering
Chinese Name:山东莱芜煤矿机械有限公司齿轮锻造公司
Recommended for:





Shandong Laiwu Coal Mining Machinery Co., Ltd. is a national coal machine and product design, manufacturing backbone enterprises, the existing staff of 1800 people, including all types of professional and technical personnel 400 people, have advanced title 60 people, engineering
Jiangsu Kaibo transmission equipment Co., Ltd 产品样本
Chinese Name:江苏凯博传动设备有限公司
Recommended for:




Jiangsu Kaibo Transmission Equipment Co., Ltd. is a design and manufacture of various types of gear-tech enterprises, more than twenty universities and national research institutions, to produce "blog" series reducer for leading products, complete specifications. Now has JA, JB,
Chinese Name:江苏凯博传动设备有限公司
Recommended for:





Jiangsu Kaibo Transmission Equipment Co., Ltd. is a design and manufacture of various types of gear-tech enterprises, more than twenty universities and national research institutions, to produce "blog" series reducer for leading products, complete specifications. Now has JA, JB,
Taixing city Hairuide Machinery Fittings Factory 产品样本
Chinese Name:泰兴市海德瑞机械配件厂
Recommended for:




Taixing Haide Rui Machinery Parts Factory original Taixing Reducer Factory "target, China's largest manufacturing enterprises reducer." The new century, science and technology will move forward at a faster rate, China has joined the WTO, marking the Chinese economy and the world
Chinese Name:泰兴市海德瑞机械配件厂
Recommended for:





Taixing Haide Rui Machinery Parts Factory original Taixing Reducer Factory "target, China's largest manufacturing enterprises reducer." The new century, science and technology will move forward at a faster rate, China has joined the WTO, marking the Chinese economy and the world
Shanghai Yulong reducer Co., Ltd. 产品样本
Chinese Name:上海玉隆减速机有限公司
Recommended for:




Shanghai Yulong reducer Co. Ltd. is a domestic transmission equipment specializing in the production of gear reducer, gear machine company, took the lead through the ISO9001:2000 international quality system certification, the sales network covering the whole country. The compan
Chinese Name:上海玉隆减速机有限公司
Recommended for:





Shanghai Yulong reducer Co. Ltd. is a domestic transmission equipment specializing in the production of gear reducer, gear machine company, took the lead through the ISO9001:2000 international quality system certification, the sales network covering the whole country. The compan
JIANGSU TAIXINGLONG REDUCER CO., LTD 产品样本
Chinese Name:江苏太兴隆减速机有限公司
Recommended for:




Too booming Jiangsu Taixing Reducer Co., Ltd. is located in Technology Industrial Park, is set Branch, engineering, trade of high-tech enterprises. Covers an area of 32,000 square meters, construction area: 12,800 square meters, existing staff: 469 people (including
Chinese Name:江苏太兴隆减速机有限公司
Recommended for:





Too booming Jiangsu Taixing Reducer Co., Ltd. is located in Technology Industrial Park, is set Branch, engineering, trade of high-tech enterprises. Covers an area of 32,000 square meters, construction area: 12,800 square meters, existing staff: 469 people (including
Shanghai jinteng decelerating Machinery Co., Ltd. 产品样本
Chinese Name:上海锦腾减速机械有限公司
Recommended for:




Shanghai jinteng Machinery Co., Ltd. is China general machinery industry association by gearbox units, is engaged in the reduction machine manufacturing company, company of domestic counterparts in the first through the ISO9001:2000 quality system certification The company has i
Chinese Name:上海锦腾减速机械有限公司
Recommended for:





Shanghai jinteng Machinery Co., Ltd. is China general machinery industry association by gearbox units, is engaged in the reduction machine manufacturing company, company of domestic counterparts in the first through the ISO9001:2000 quality system certification The company has i
Qingdao Dazhong Sheng Industry and Trade Co. LTD. 产品样本
Chinese Name:青岛大中圣工贸有限公司.
Recommended for:




The enterprise information is being sorted out! The enterprise information is being sorted out!
Chinese Name:青岛大中圣工贸有限公司.
Recommended for:





The enterprise information is being sorted out! The enterprise information is being sorted out!
Qingdao Guanxin Shun reducer manufacturing Co., Ltd. 产品样本
Chinese Name:青岛冠鑫顺减速机制造有限公司
Recommended for:




Qingdao guanshun Machinery Factory is located in the beautiful coastal city - Qingdao. Our company since its inception, after many years of management, now has professional production technology, rich production experience, advanced production technology, sophisticated management
Chinese Name:青岛冠鑫顺减速机制造有限公司
Recommended for:





Qingdao guanshun Machinery Factory is located in the beautiful coastal city - Qingdao. Our company since its inception, after many years of management, now has professional production technology, rich production experience, advanced production technology, sophisticated management
Changzhou Yibo Yingtai Transmission Machinery Co., Ltd 产品样本
Chinese Name:常州市屹博盈泰传动机械有限公司
Recommended for:




Changzhou Yibo Yingtai Transmission Machinery Co., Ltd Changzhou Yibo Yingtai Transmission Machinery Co., Ltd
Chinese Name:常州市屹博盈泰传动机械有限公司
Recommended for:





Changzhou Yibo Yingtai Transmission Machinery Co., Ltd Changzhou Yibo Yingtai Transmission Machinery Co., Ltd
Jiangsu Xinglong reducer Co. Ltd. 产品样本
Chinese Name:江苏太兴隆减速机有限公司
Recommended for:




Jiangsu Xinglong reducer Co., Ltd. specializing in the production of gear reducer, QY hardened gear reducer for crane
Chinese Name:江苏太兴隆减速机有限公司
Recommended for:





Jiangsu Xinglong reducer Co., Ltd. specializing in the production of gear reducer, QY hardened gear reducer for crane
Taixing city heidenry Machinery Fittings Factory 产品样本
Chinese Name:泰兴市海德瑞机械配件厂
Recommended for:




The company has rich production experience, strong technical force, advanced testing equipment, advanced testing equipment, product stability, quality and reliable. The "people-oriented, technology leading, quality first, the user first" is the company's service tenet, is willing
Chinese Name:泰兴市海德瑞机械配件厂
Recommended for:





The company has rich production experience, strong technical force, advanced testing equipment, advanced testing equipment, product stability, quality and reliable. The "people-oriented, technology leading, quality first, the user first" is the company's service tenet, is willing
Shanghai Ruijin reductor Co., Ltd 产品样本
Chinese Name:上海锐进减速机有限公司
Recommended for:




Shanghai Rui Jin Reducer Co., Ltd. (RIZING), is a research, production, sales and integration of professional manufacturers, the company has the most advanced German KLINGEINBERG precision worm grinder, Germany PFAUTER hobbing, England MATRIX precision gear grinder, Japan OKUMA h
Chinese Name:上海锐进减速机有限公司
Recommended for:





Shanghai Rui Jin Reducer Co., Ltd. (RIZING), is a research, production, sales and integration of professional manufacturers, the company has the most advanced German KLINGEINBERG precision worm grinder, Germany PFAUTER hobbing, England MATRIX precision gear grinder, Japan OKUMA h
Qingdao Longxiang reducer Co. Ltd. 产品样本
Chinese Name:青岛隆翔减速机有限公司
Recommended for:




Lung Cheung reducer Qingdao Co., Ltd. is engaged in various reducers, couplings, zinc alloy products, technology development, consulting services, product testing and production of key enterprises. Meanwhile undertake non-standard gear design and production. My company i
Chinese Name:青岛隆翔减速机有限公司
Recommended for:





Lung Cheung reducer Qingdao Co., Ltd. is engaged in various reducers, couplings, zinc alloy products, technology development, consulting services, product testing and production of key enterprises. Meanwhile undertake non-standard gear design and production. My company i
Shanghai mianxin Transmission Machinery Co., Ltd 产品样本
Chinese Name:上海勉鑫传动机械有限公司
Recommended for:




Shanghai mianxin Transmission Machinery Co., Ltd McGrady synchronous belt, yilatai synchronous belt, anti-static V-belt, Taiwan Mountain brand V-belt, Japan sakado belt, food conveyor belt, Shanghai mianxin Transmission Machinery Co., Ltd
Chinese Name:上海勉鑫传动机械有限公司
Recommended for:





Shanghai mianxin Transmission Machinery Co., Ltd McGrady synchronous belt, yilatai synchronous belt, anti-static V-belt, Taiwan Mountain brand V-belt, Japan sakado belt, food conveyor belt, Shanghai mianxin Transmission Machinery Co., Ltd
Taixing taixiang reducer Co., Ltd. 产品样本
Chinese Name:泰兴市泰祥减速机有限公司
Recommended for:




Jiangsu taixiang gear box manufacturing Co. Ltd. is located in the Huangqiao battle and the famous Huangqiao Industrial Park, industrial base is developed here, rich cultural heritage, the geographical position is superior, the traffic is convenient, the south of the Yangtze Rive
Chinese Name:泰兴市泰祥减速机有限公司
Recommended for:





Jiangsu taixiang gear box manufacturing Co. Ltd. is located in the Huangqiao battle and the famous Huangqiao Industrial Park, industrial base is developed here, rich cultural heritage, the geographical position is superior, the traffic is convenient, the south of the Yangtze Rive
Chongqing Lin Chuang reducer Co., Ltd. 产品样本
Chinese Name:重庆林创减速机有限公司
Recommended for:




Lin Chong reducer Co., Ltd. is a professional engaged in reducing, speed machine design, development, manufacture of professional companies. We have design senior subtraction, transmission machine industry, manufacturing engineer. Relying on perfect quality management system, equ
Chinese Name:重庆林创减速机有限公司
Recommended for:





Lin Chong reducer Co., Ltd. is a professional engaged in reducing, speed machine design, development, manufacture of professional companies. We have design senior subtraction, transmission machine industry, manufacturing engineer. Relying on perfect quality management system, equ
Shenyang XingXing cycloid reducer factory 产品样本
Chinese Name:沈阳行星摆线减速机厂
Recommended for:




Shenyang planet cycloid reducer factory was founded in the early eighty's of last century, is the production of cycloid reducer professional manufacturers. The factory is located in the equipment manufacturing industry in Northeast China's Liaoning Province, Shenyang City, the ad
Chinese Name:沈阳行星摆线减速机厂
Recommended for:





Shenyang planet cycloid reducer factory was founded in the early eighty's of last century, is the production of cycloid reducer professional manufacturers. The factory is located in the equipment manufacturing industry in Northeast China's Liaoning Province, Shenyang City, the ad
Guangdong Yuwen Reducer Factory 产品样本
Chinese Name:广东省钰雯减速机厂
Recommended for:




Nanhai district, foshan city, guangdong province ping chau day reducer was founded in 1983, is located in foshan city nanhai district pingzhou pingsheng five day near the bridge, in 20 years, our factory adhering to the "credibility to win customers, the quality of c
Chinese Name:广东省钰雯减速机厂
Recommended for:





Nanhai district, foshan city, guangdong province ping chau day reducer was founded in 1983, is located in foshan city nanhai district pingzhou pingsheng five day near the bridge, in 20 years, our factory adhering to the "credibility to win customers, the quality of c
Zhenjiang heavy machinery co., LTD 产品样本
Chinese Name:镇江(减速机)重威机械有限公司
Recommended for:




Zhenjiang heavy machinery co., LTD is the production of speed reducer, electric drum, non-return device, coupling and all kinds of shaft, gear of professional manufacturers. The company covers an area of 12000 square meters. Is located in known as the Yangtze river delta manufac
Chinese Name:镇江(减速机)重威机械有限公司
Recommended for:





Zhenjiang heavy machinery co., LTD is the production of speed reducer, electric drum, non-return device, coupling and all kinds of shaft, gear of professional manufacturers. The company covers an area of 12000 square meters. Is located in known as the Yangtze river delta manufac
Shanghai Jiamai transmission machinery Co., Ltd 产品样本
Chinese Name:上海佳迈传动设备有限公司
Recommended for:




Shanghai Jia Mai Reducer Co., Ltd. is mainly producing transmission equipment is one of the professional enterprises, the introduction of Japan's advanced technology and complete processing equipment, mainly produces T series spiral bevel gear boxes, MB series mechanical transmis
Chinese Name:上海佳迈传动设备有限公司
Recommended for:





Shanghai Jia Mai Reducer Co., Ltd. is mainly producing transmission equipment is one of the professional enterprises, the introduction of Japan's advanced technology and complete processing equipment, mainly produces T series spiral bevel gear boxes, MB series mechanical transmis
Shanghai NanRui reducer Co., Ltd 产品样本
Chinese Name:上海南睿减速机有限公司
Recommended for:




Hainan Rui reducer Transmission Machinery Co., Ltd. is a company engaged in R & D, manufacturing and sales of professional companies. Products using advanced technology from Germany, modular design. The main products include: various uses helical gear reducer gear surface, shaft
Chinese Name:上海南睿减速机有限公司
Recommended for:





Hainan Rui reducer Transmission Machinery Co., Ltd. is a company engaged in R & D, manufacturing and sales of professional companies. Products using advanced technology from Germany, modular design. The main products include: various uses helical gear reducer gear surface, shaft
Huadong reducer manufacturing Co., Ltd. Tianjin Branch 产品样本
Chinese Name:华东减速机制造有限公司天津办事处
Recommended for:




Taixing Huadong reducer manufacturing Co., Ltd. (former Taixing speed reducer three factory) is a company engaged in the reducer, electric roller and gear distribution box R & D, manufacturing, sales of professional firms. Founded in 1986, is located in the Yangtze River in T
Chinese Name:华东减速机制造有限公司天津办事处
Recommended for:





Taixing Huadong reducer manufacturing Co., Ltd. (former Taixing speed reducer three factory) is a company engaged in the reducer, electric roller and gear distribution box R & D, manufacturing, sales of professional firms. Founded in 1986, is located in the Yangtze River in T
Jiangsu Taixing Dali Deceleration Mechanism Manufacturing Company. 产品样本
Chinese Name:江苏省泰兴达力减速机制造公司.
Recommended for:




The enterprise information is being sorted out! The enterprise information is being sorted out!
Chinese Name:江苏省泰兴达力减速机制造公司.
Recommended for:





The enterprise information is being sorted out! The enterprise information is being sorted out!
Taixing Huadong reducer manufacturing Co., Ltd. Sales Department 产品样本
Chinese Name:泰兴市华东减速机制造有限公司销售部
Recommended for:




Taixing Huadong reducer manufacturing Co., the company formerly known as Jiangsu Huadong reducer factory, Taixing reducer factory three, is a collection of science, industry and trade, one of the Limited by Share Ltd, founded in 1986, is located in the Beijing Shanghai Expressway
Chinese Name:泰兴市华东减速机制造有限公司销售部
Recommended for:





Taixing Huadong reducer manufacturing Co., the company formerly known as Jiangsu Huadong reducer factory, Taixing reducer factory three, is a collection of science, industry and trade, one of the Limited by Share Ltd, founded in 1986, is located in the Beijing Shanghai Expressway
Qingdao Shengtai reducer factory 产品样本
Chinese Name:青岛盛泰减速机厂
Recommended for:




I plant is the production of various types of professional gear manufacturers, producing a planetary cycloid reducer, planetary transmission principle and cycloidal tooth meshing novel transmission machinery, the series reducer has a smooth, reliable, large carrying capacity high
Chinese Name:青岛盛泰减速机厂
Recommended for:





I plant is the production of various types of professional gear manufacturers, producing a planetary cycloid reducer, planetary transmission principle and cycloidal tooth meshing novel transmission machinery, the series reducer has a smooth, reliable, large carrying capacity high
Shangyu Ochs Gear Motor Co., LTD. 产品样本
Chinese Name:上虞奥克斯齿轮电机有限公司.
Recommended for:




Aokx co., LTD is a sino-AMERICAN joint venture, which is jointly formed by Shangyu Aokx Gear motor Co., LTD and Shangyu Aokx machinery Co., LTD., and is set up according to modern enterprise standards, integrating technology, development, production, sales and service, and contro
Chinese Name:上虞奥克斯齿轮电机有限公司.
Recommended for:





Aokx co., LTD is a sino-AMERICAN joint venture, which is jointly formed by Shangyu Aokx Gear motor Co., LTD and Shangyu Aokx machinery Co., LTD., and is set up according to modern enterprise standards, integrating technology, development, production, sales and service, and contro
Boshan Dongyuan reducer factory 产品样本
Chinese Name:博山东源减速机厂
Recommended for:




I plant mainly produces: ZDY, ZLY, ZSY, DBY, DCY, YCJ series reducer of hard toothed surface; ZLYJ, ZSYJ and other plastic special reducer; ZDZ, ZLZ, ZSZ, DBZ, DCZ, ZQA, QJ, QJR Hard QJS, QJRS, QJ-D, QJR-D, QJS-D, QJRS-D type reducer; ZQD, ZSC, ZSCA, ZQ increased, ZSC ratio
Chinese Name:博山东源减速机厂
Recommended for:





I plant mainly produces: ZDY, ZLY, ZSY, DBY, DCY, YCJ series reducer of hard toothed surface; ZLYJ, ZSYJ and other plastic special reducer; ZDZ, ZLZ, ZSZ, DBZ, DCZ, ZQA, QJ, QJR Hard QJS, QJRS, QJ-D, QJR-D, QJS-D, QJRS-D type reducer; ZQD, ZSC, ZSCA, ZQ increased, ZSC ratio















