
Ningbo Dongheng Sealing Co., Ltd develops and produces all kinds of sealing materials and products, our factory produce all kinds of seals, such as metal gaskets like spiral wound, ring joint, double jacket, kammprofile, solid metal gaskets, and non-metallic gaskets, like high-strength graphite gasket, PTFE gasket, graphite composite gasket, non-asbestos gaskets. And also involves in trading PTFE tape, ceramic packing, graphite packing, PTFE packing, PTFE graphite packing, Aramid PTFE packing, and other ...