No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for China Ball Check Valve and API 6D Ball Check Valve, mechanical cone seal, single lip seal, Piston Seal SPG,Hydraulic Wipers. We are expecting to cooperate with you on the basis of mutual benefits and common development. We will never disappoint you. The product will supply to all over the world, such as Europe, America, Australia,Italy, Spain,New Orleans, Brisbane.We have constructed strong and long co-operation relationship with an enormous quantity of companies within this business overseas. Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Portugal for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.