... in china as manufacture, stockiest, distributors, and exporters of pipe fittings products of all sizes and shapes. The TJRK has ... such as BW/ SW/ Screwed/ Forged & Compression Type Elbow, Tees, Cross, Reducers, Caps, Stub ends, Flanges, Unions, Nipples, Couplings, Elbowlets, ... /T9711,GradeQ235,Q345,B,X42,X52,X60,X65,X70applicationAs conveyer pipe in the fields of petroleum , heat, and natural gas, ...