Our company specializes in production and operation: British Standard: ISO5922 ISO49 / iso7 / 1, DIN standards: DIN2950 DIN1692 / din2999, American Standard, ANSI / ASME a197 - 79 / b16.3 - 85 / b1.20.1, Ma pipe pieces are mainly exported to: Asia, Africa, the Middle East, Europe and the United States, Southeast Asia and other regions. BSEN50086, BSEN61386, TOBS4568 and IP30 IEC60670, BS31, international standard wire pipe fittings, mainly exported to the UK, Middle East, Singapore, Hong Kong, Malaysia and other regions and countries. According to customer requirements for a variety of precision casting pattern.