MT Coal Industry Standards
GB / T National Recommended Standard
HB Aviation Industry Standards
GBn national standard (internal distribution)
QJ Aerospace Industry standards
GJB national military standards
QB, SG Ministry of Light Industry standards
ZB Industry Standards (Professional Standards)
JZ, JG urban and rural Environmental Protection Department standards
ZBn Industry Standard (Internal Distribution)
CB China Shipbuilding Corporation standards
ZJB professional military standards
LD Labor and Personnel Standards
JB Machinery Industry Standard (formerly) Machinery Industry Ministry standards
JC National Building Materials Bureau standards
JB / Z (former) Ministry of Machinery Industry guidance document
JJC National Bureau of Metrology standards
EJ (former) Ministry of Nuclear Industry standards
CAS China Association for Standardization standards
YB Metallurgical Department standards
CVA China valve industry standards
HG Chemical Industry standards
Q / TH (former) Machinery Industry Ministry of Chemical General Machinery professional standards
SY (former) Ministry of Petroleum standards
JB / TQ Machinery and Electronic Industry General Machinery Industry Internal Standards
SD hydraulic power standard
H high pressure pipe, fittings and fasteners universal design standards
Foreign standard code
ISO international standards
AISI American Iron and Steel Institute standards
ANSI American National Standard
API American Petroleum Institute standards
BS British National Standard
MSS American Valve and Fitting Manufacturer Standards Association standard
DIN German national standard
AWS American Welding Association standard
NF French national standard
ASI American Society of Standards
JIS Japanese Industrial Standards
MIL US military standards
ASME American Society of Mechanical Engineers standards
JPI Japan Petroleum Institute standards
ASTM American Society for Testing and Materials Standards
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