Product Description Our main productions are malleable iron pipe fittings, the brand is “G”. Others include grooved fittings and couplings, buttweld fittings, steel pipe nipples and couplings, flanges and stainless steel thread fittings. The products are widely used in fire protection, plumbing, irrigation, oil, gas, infrastructure, construction, and decoration, etc. product picture proove pipe fitting coupling() tee cross … Continue reading China Hot selling Made in China Grooved Fittings Painted Rigid Coupling for Water/Fire/Sewage System