ANSI B 16.5 CALSS 150LB -600LB
GOST 12820-80 0.6Mpa, 1.0 Mpa, 1.6Mpa, 2.5Mpa
EN 1092-1 PN10, PN16, PN25
JIS B2220-1984 JIS 5kg, JIS 10kg, JIS F7805 1kg
DIN FLANGE DIN2573, DIN2576, DIN2503, DIN2502, DIN2573, DIN2566, DIN2527, DIN2633
We are CO-WORKING DEVELOPING Co., Ltd, we are from Tianjin, China. Our main business scope is steel products, such as pipes, pipe fittings and flanges, valves and so on, according to ANSI/ASTM, JIS, DIN, API, GOST and non-standard. We also can supply equipments for oil field, and machines for welding and cutting. We have three factories, one is located in Hebei Province, one is located in ShanDong Province, and the other is in Tianjin. Moreover, we have good and long term relationship with our suppliers in China. So we can control the good quality, and short delivery time. And we are nearby Tianjin seaport and Qingdao, Dalian seaport, so it is very convenient to export.
Our products have been widely used in petrochemical industry, mining machinery, engineering machinery, pipe lines, water treatment, textile machinery, heavy machinery, metallurgy, ship building, tire mold, transport vehicle, wind electric power generation, etc.
We always export our products to Europe, Russia, India, Korea, Japan, Spain and so on.
Looking forward to cooperating with you, we are. Welcome to visit our factory and our office. Hope to establish long term business relationship with you.
