GB - Chinese national standards

Code for operation and management of central air conditioning system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical code for ground-source heat pump system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

code for design of strengthening concrete stru cture

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for construction and acceptance of oil and gas long-distance transmission pipeline engineering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for design of gas fire extinguishing systems

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for sound reinforcement system design of auditorium

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code for installation acceptance of metallurgical machinery ironmaking equipment engineering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Design code for communication conduit and passage engineering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

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Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Code of construction and acceptance for communication conduit engineering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design