America-china joint venture Ningbo Yadong Chemical Industry Co., Ltd. located Tengtou (world best 500 national civilization village) Industry Park; we specialized in producing mechani cal seals and processing fluorine plastic product. 

　　We are one of the leading mechanical seals manufacturer and supplier. Our products include the material of tungsten carbide, silicon carbide, TEFLON, mechanical seals and all kinds of the fittings of seals, etc. we also manufacture mechanical seals for customer's special designs - any type and size. Just send us a sample or drawings and we will meet your need.

　　We are another of the leading PTFE products manufacturer and supplier. We can provide PTFE directional film, PTFE semi-directional films, PTFE unidirectional films, PT  

FE pads, naphthalene and sodium treated films, PTFE sealing series, PTFE rods and pipes, PTFE raw material belts, PTFE electric heating belts, PTFE and F4 6 paints, fluorubber, PTFE stuffin g friction wares, non-oil lubricating rings, etc. Which are widely applied in the fields of petrol-chemical, mechanical, metallurgy, electronics, mechanical and electrical，etc.

　　Because of the high quality and the best service, Our product is welcomed by national market and oversea market. So we sincerely invite client's presence and give advice. Let us mutual benefits and develop jointly on the basis of quality and credit.