China Valve Packing Co., Ltd.

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 demanding applications across critical industries. Our product line includes gate valves, globe valves, and ball valves—all engineered to meet rigorous API standards and equipped with advanced low-leakage graphite packing for exceptional performance under extreme pressure and temperature conditions.

In addition to our precision-engineered valves, we supply premium sealing gaskets and packing materials designed to withstand chemical corrosion, thermal cycling, and mechanical stress. Every product is rigorously tested by third-party institutions and certified to globally recognized standards, including API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, with verification by TÜV SÜD and TÜV Rheinland.

Driven by a commitment to innovation and sealing excellence, we pioneered early R&D efforts into low-emission graphite packing technologies to meet the strict environmental regulations of markets such as the United States. Our close partnerships with leading universities and research institutes have helped us overcome complex technical challenges related to valve leakage, friction, and wear. These collaborations led to our first TÜV-witnessed API 622 certification and have since expanded into a full suite of international approvals, validating the reliability of our products in real-world conditions.

What truly sets us apart is our scientific approach to valve engineering. While others focus primarily on machining, we delve deeper—studying the behavior of non-metallic materials under high stress, developing advanced coatings for sealing surfaces, and analyzing long-term friction and wear dynamics. Our multidisciplinary team, comprised of experts in valve design, materials science, sealing systems, and automation, works together to develop smarter, longer-lasting, and more reliable valve solutions.

By bridging academic research with industrial application, China Topper helps customers achieve higher safety standards, improved efficiency, and extended service life—earning trust across a wide spectrum of industries.