Socket welding flange

Specification BS 4504, BS 3293, BS 10 JIS B2220 ASME B16.5, B16.47 A/B Tailor-made DIN 2502, 2503, 2527, 2566, 2576, 2642, 2632, 2633, 2634, 2635, 2636 EN 1092 AS 2129, AS 4087 SABS 1123 NFE 29203, NFE 23204 MSS SP44 AWWA We try to enlarge our overseas markets, and we have received a good reputation form our customers in the USA, Europe, the UK, Southeast Asia, Korea, Japan, Iran and Dubai. Also in the domestic market, we mainly sell products to customers in petroleum and gas fields.