China Valve Packing Co., Ltd.

China Topper Valve Packing Seal Kits Co., Ltd. is a specialized manufacturer of high-performance industrial valves, sealing gaskets, and packing solutions designed for demanding applications across critical industries. Our comprehensive product line—including gate, globe, and ball valves—is engineered to meet rigorous API standards and incorporates cutting-edge low-leakage graphite packing to ensure reliable performance under extreme pressures and temperatures.

In addition to our advanced valve solutions, we offer premium sealing gaskets and packing materials developed to withstand chemical corrosion, thermal cycling, and mechanical stress. All our products undergo independent third-party testing and are certified to internationally recognized standards, including API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, with approvals issued by TüV SüD and TüV Rheinland.

Our dedication to sealing innovation began with early R&D into low-emission graphite packing systems tailored to meet the stringent environmental and performance requirements of markets such as the United States. Through long-standing partnerships with top universities and research institutions, we have overcome complex challenges related to valve leakage, friction, and wear. These efforts culminated in our first TüV-witnessed API 622 certification and have since led to a comprehensive suite of international approvals that validate the real-world reliability of our products.

What truly sets China Topper apart is our scientific approach to valve and sealing technology. While others may focus primarily on machining, we delve deeper—studying the behavior of non-metallic materials under pressure and heat, developing advanced surface coatings for superior sealing, and analyzing long-term friction and wear dynamics. Our multidisciplinary team, which brings together experts in valve design, materials science, sealing systems, and automation, is committed to engineering smarter, more durable solutions.

By fusing academic research with industrial innovation, we empower our customers to achieve enhanced operational safety, improved efficiency, and extended service life. This commitment has earned us the trust of clients across a wide range of industries worldwide.