Shanghai Zhengang Steel Ball Manufacturing CO., LTD(SSZBM) located in No.265 Putuo Road Chuangsha Town Pudong District Shanghai China. Currently. it is about 8 Km form Podong international airport. SSZBM covers a construction area of 44000 m2, including office block of 2750 m2, and covers areas of 82600 m2. SSZBM had a worldwide annual sales of 70 million at 2006, being leading manufacturing specialized in producing bearing balls and to target fast growing market niches within the precision machines and measurements because we have a disciplined engineers and specialize experts, SSZBM have a largest number of equipments, also have many high grade and precision measuring instrument.

SSZBM runs accordance with standard and requirement of advanced management and approved "ISO9001:2000" quality system accreditation. For adapting the market, SSZBM developed through research by itself the precision bearing balls (G10, G5, G3),Now the basic bearing ball coves type of3.969--28.575. With the further development the balls that are made of stainless steel, ceramic, nylon and tungsten carbide have been formed with quantities and exported at home and abroad.
1) Product Name 1: Bearing Balls
Model No: ZGBB
Standard: 1.588/28.575
2) Product Name 2: Stainless steel balls
Model No: ZGXB
Standard: 1.588/2.000
Description: AISI 440C stainless steel balls
3) Product Name 3: Casting iron balls
Model No: QYZQ
Standard: 4.0/110
diameter: φ4.--φ110
4) Product Name 4: Flashing & Grinding Plates
Model No: QYMT
Standard: G/A/M/Q/Y