GB - Chinese national standards

Automatic welding equipment for profile steel

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Classification of internal combustion engine oils

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Tooth-wedge belts

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Synchronous belt drives—Belts with T trapezoidal profile system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Synchronous belt drives—Pulley with T trapezoidal profile system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Steel gate, globe and check valve for the petroleum and natural gas industries (for sizes DN100 and smaller)

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Process valve qualification procedure for the petrochemical industry

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pilot operated safety valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Rolling bearings - Insert bearing units - Classification

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Connections for hydraulic fluid power—Ports with truncated housing and stud ends with metric threads—Part 1: Ports with truncated housing

Available languages: English, Chinese

Available design: electronic design (pdf), Print design