GB - Chinese national standards

Specifications of drilling fluid materials

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of industrial recirculating cooling water treatment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for construction and acceptance of chimney engineering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design electric power supply systems

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of 20kV and below substation

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of low voltage electrial installations

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of electric distribution of general-purpose utilization equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design electrical equipment of electroheat installations

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design protection of structures against lightning

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of electrical installations in explosive atmospheres

Available languages: English, Chinese

Available design: electronic design (pdf), Print design