Jackie Shijiazhuang Export&Import Trade Co.,Ltd is one of the most professional pipe fittings manufactures and supplier since 1986 . All of products have passed ISO9001/2000 certification . we could supply black finish series , hot dip galvanized series , electric galvanized series, baked finish series, stainless steel series as below: Elbow Tee Union Socket Crossover Bushing and so on