How to distinguish domestic and foreign valve standard code?

China's standard code Name Code Name Standard Code Name GB National Standards MT Coal Industry Standards GB / T National Recommended Standards HB Aviation Industry Standards GBn National Standards (Internal Distribution) QJ Aerospace Industry Standards GJB National Military Standards QB, SG Light Industry Department Standard ZB Industry Standard (Professional Standard) JZ, JG Urban and Rural Environmental Protection Department Standard ZBn Industry Standard (Internal Distribution) CB China Shipbuilding Corporation Standard ZJB Professional Military Standard LD Labor and Personnel Standard JB Machinery Industry Standard (formerly) Machinery Industry Standard JC National Building Materials Bureau Standard JB / Z (formerly) Ministry of Machinery Industry Guiding Documents JJC National Bureau of Measurement Standards EJ (former) Nuclear Industry Standards CAS China Association for Standardization Standards YB Metallurgical Department standards CVA China Valve Industry Standards HG Chemical Industry Standards Q / TH (General) Machinery Industry Chemical General Machinery Professional Standards SY (former) Ministry of Petroleum Standards JB / TQ Machinery and Electronic Industry General Machinery Industry Standard SD Hydraulic Power Standard H High pressure pipe, fittings and fasteners General design standards Foreign Standard Code Standard Code Name Standard Code Name ISO International Standard AISI American Iron and Steel Institute Standard ANSI American National Standard API American Petroleum Institute Standard BS British National Standard MSS American Valve and Fitting Manufacturer Standardization Association Standard DIN German National Standard AWS American Welding Association Standard NF French National Standard ASI American Standard Institute Standard JIS Japanese Industrial Standard MIL American Military Standard ASME American Society of Mechanical Engineers Standard JPI Japan Petroleum Institute Standard ASTM American Society for Testing and Materials Standard Code Name Standard Code Name GB National Standard MT Coal Industry Standard GB / T National Recommended Standard HB Aviation Industry Standards GBn National Standard (Internal Release) QJ Aerospace Industry Standard GJB National Military Standard QB, SG Light Industry Standard ZB Industry Standard (Professional Standard) JZ, JG Urban and Rural Environmental Protection Department Standard ZBn Industry Standard (Internal Distribution) CB China National Shipbuilding Corporation Standard ZJB Professional Military Standard LD Ministry of Labor and Personnel Standards JB Machinery Industry Standards (formerly) Machinery Industry Standards JC State Building Materials Bureau Standards JB / Z (Original) Ministry of Machinery Industry Guidance Document JJC National Bureau of Metrology Standards EJ (former) Ministry of Nuclear Industry Standards CAS China National Institute of Standardization YB Metallurgical Department standard Standard CVA China Valve Industry Standard HG Chemical Industry Standard Q / TH Machinery Industry Chemical General Machinery Professional Standard SY (former) Ministry of Petroleum Standards JB / TQ Machinery and Electronic Industry General Machinery Industry Standard SD Hydraulic Power Standard H High Pressure Pipe, Fittings and Fasteners General Design Standard Standard Code Name Standard Code Name ISO International Standard AISI American Iron and Steel Institute Standard ANSI American National Standard API American Petroleum Institute Standard BS British National Standard MSS American Valve and Fitting Manufacturer Standardization Association Standard DIN Germany National Standard AWS American Welding Association Standard NF French National Standard ASI American Society of Standards Standards JIS Japanese Industrial Standard MIL American Military Standard ASME American Society of Mechanical Engineers Standard JPI Japan Petroleum Institute Standard ASTM American Society for Testing and Materials Standard

Over-Moulding

As long as you have a drawing, no matter what hardness, material or specification, we can customize it.
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