Hongkong Best Seal is a professional manufacturer and seller for standard & ready source for non-standard seals & make-to-print rubber parts. Exporter of O-rings, Minnesota quad rings, Y-rings, V-rings, U-cups, hydraulic seals, piston cups, rubber balls, Gaskets, mechanical shaft seals, adhesives, rubber bonded to metal parts, fiber reinforcement diaphragm, silicone hose, Teflon® products, Sponge rubber parts, lubricants, silicone fluids & greases & a wide variety of other products in metric sizes. Technical & application assistance is available. Our technical teams we have served the sealing needs of thousands of OEM and aftermarket users. From Auto parts, micro pump, sanitary, medical, electric, to parts on the space shuttle for more than 10 years. we have designed, manufactured and supplied a wide variety of rubber, plastic and metal items. Tell us what you want to seal, what conditions and specifications you need to meet, provide us with a print and we&＃039;ll custom design the part to meet your specs. Please let us assist with your current production or design requirements.</p>