... tube Co., Ltd. is one of the first manufacturers of pipe and pipe fittings which has attained ISO9001:2000 Quality Certification in China ... 16.28 JIS B 2311/222 pipe fittings: we are manufacturer for carbon steel pipe and fittings,like 45deg,90deg,180deg,L ... equal or reducing tee, CON reducer, ECC reducer, pipe cap,flange. CON AND ECC REDUCER: CARBON STEEL,STAINLESS,STELL,ALLOY STEELNOMINAL DIAMETERBIG ...