GB - Chinese national standards

Methods of investigation and assesment for water resources environment investigation in mining subsidence area

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Cathodic protection of buried grounding conduct

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Cathodic protection of buried metallic gas storage device

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Welded large diameter steel pipes for low-temperature-service piping

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Urea grade ultra-low carbon austenitic seamless stainless steel tubes and pipes

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Aluminum alloy extruded tubes for non-nuclear grade nuclear power cooling systems

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

24° cone connectors - Weld-on nipple

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Requirements for buried polyethylenePE gas pipeline corrosion control engineering life cycle

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Requirements for impervious graphite equipment corrosion control engineering life cycle

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Requirements for corrosion control engineering in the life cycle of the marine engineering equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design