Quality Control
Forging
Turning

Heat Treatment

Grinding

Assemble

Certifications
Standard:
SGS
Number:
QIP-ASI2141367
Issue Date:
2021-09-21
Scope/Range:
Roller Bearings, Ball Bearings, Auto Parts
Issued By:
SGS-CSTC
Standard:
Made-In-China
Number:
Scope/Range:
Issued By:
Company Profile
Shanghai Tonsor Machinery Co., Ltd