Shanghai Dong Kui pipe flange pipe production and operation of manufacturers of steel products used in the oil, gas, chemicals, power, textile machinery and other necessary fittings industry. 
 Our products according to GB12459, SHJ, ANSI, JIS, DIN, ISO and other standards of production welded seamless elbow, reducer, tee, cross, flange, intubation pieces to take over the seat high, medium, bottom pressure series fittings, materials are 202 301 321,304,304 L, 316,316 L, carbon steel. Customers can also request. 
 Shanghai Dong Kui pipe flange type and material of all kinds of pipe, spiral pipe, straight seam pipe, seamless pipe, alloy pipe, gaskets, flexible connectors, the wire.