Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Back-Up Ring, China Hydraulic Oil Filtration and Oil Filter, seal hydraulic, O ring gasket,Mechanical Face Seal Design. We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Portland, Rome,Riyadh, Liverpool.Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.