Quanzhou Shengda Rubber Products Co.,Ltd has specialized in rubber well nuts and o rings for 10 years. Our main market is Nort America, Europe and Southeast Asia. Our products have been successfully applied to and approved by various fields such as Automotive , Industry, Home Appliance,Household, aerospace, chemical processing, food & beverage, hydro power, life sciences, railway, machinery, medical, semiconductor, solar, oil & gas, LCD, LED and so on . ROHS ,ISO14001 and ISO9001 Certificate have been approved and also our materias are imported from Thailand, Malaysia, Korea , some come from Taiwan, Rubber compounds have been approved by FDA, WARS,UL,NSF, ROHS and REACH. Quanzhou Shengda does our best to provide high quality products and best service for our customers, Hope to cooperate with customers from all over the world.