تركيبات أنابيب لحام الصفراء من الفولاذ المقاوم للصدأ 316 المطروقة ASTM A182 F316 SW WN BL Flange

we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.