... approvedSpecifications Materialcarbon steel, stainless steel, alloy steelTechniquewelded, bending,forged,exturdConnectionweldingHead codebevel the endSize1/2'' to 72 ... ''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such ... equipment and introduce the latest technique to manufacture pipe fitting. Our products conform to the standard of ...