China Topper Valve Packing Seal Kits Co., Ltd.is a specialized manufacturer focused on delivering high-performance industrial valves, sealing gaskets, and packing solutions for the most demanding applications. Our product portfolio includes gate, globe, and ball valves engineered to meet rigorous API standards and equipped with advanced low-leakage graphite packing to ensure stable performance under extreme pressures and temperatures. We also offer premium sealing gaskets and packing materials designed to withstand chemical corrosion, thermal cycling, and mechanical stress. All products undergo certified third-party testing and comply with globally recognized standards—including API 622, API 624, API 641, ISO 15848-1, and TA-LUFT—verified by TüV Süd and TüV Rheinland.
Our commitment to sealing innovation began early, with extensive R&D in low-emission graphite packing solutions aimed at meeting the strict environmental requir... [
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