山东精工密封技术有限公司
(1) Major production of Versailles rubber. Fracturing truck, plunger pump, mud pump and other hydraulic end system main accessories, our company developed a unique formula polyurethane piston rubber with high wear resistance, high resilience, compression resistance, tear resistance.
(2) Imported polyurethane hydraulic seal, domestic and foreign standards such as Yxd, YXD, YA, Yud, YUD, YUN, YF, Y-ring and various dust-proof rings;
(3) PTFE seals, such as square rings for holes, step rings for shafts, rotary square rings for shafts, guide bands (rings) and retaining rings, etc.
(4) Rubber hydraulic seals, such as U-shaped, Y-shaped, YF-shaped and various sealing rings.
Website：http://www.ysmfj.com