Piston Seal

Dalian Songqian Trading Co., Ltd. is a comprehensive sealing technology service provider with over 20 years of industry experience. We are a full-range supplier of general sealing technology, with extensive expertise in many fields such as mechanical engineering, hydraulics, transmission and electronic technology, equipment engineering, chemical industry, process engineering, and the automotive industry.

As a nationwide company, our success is built on close connections with customers and the market.

Our sales engineers strive to find solutions for every application through our customer service and innovation capabilities, providing you with professional technical services and highly cost-effective sealing products.

Choosing us means choosing satisfaction and peace of mind!

The sealing brands we distribute include Germany's Dichtomatik, Freudenberg, Merkel, Simrit, Japan's NOK, America's Greene Tweed, Italy's CARCO, America's MARCO, America's Garlock, America's DuPont, Netherlands' ERIKS, Germany's KWO, Parker, MPI, Mattei, Merkel, Japan's NOK, B+S, Trelleborg, Europe and America's CR, GMORS, NAK, CTY, and more. Our main sealing products include: O-rings, X-rings, rectangular rings, ED rings, skeleton oil seals, US gaskets, imported combined sealing washers, fluid joint seals, expansion rings, Step seals, Glyd rings, DAS combined seals, U-rings, YX rings, Y-rings, dust seals, GYTON fluororubber reduction furnace gaskets, PTFE high-voltage insulation sleeves, imported carbon fiber packing, large diaphragms for dust removal pulse valves, guide wear-resistant belts, rotary seals, spring tension seals, expanded PTFE products, asbestos boards, non-asbestos boards, packing, sealing products for shield machines, and more.