China Topper Valve Packing Seal Kits Co., Ltd. is a dedicated manufacturer specializing in high-performance industrial valves, sealing gaskets, and packing solutions tailored for the most demanding applications. Our product portfolio includes gate, globe, and ball valves designed to meet stringent API standards, incorporating advanced low-leakage graphite packing for reliable performance in high-pressure, high-temperature environments.

In addition to valves, we supply premium sealing gaskets and packing materials engineered to withstand chemical corrosion, thermal cycling, and mechanical stress. All of our products are rigorously tested by third-party institutions and certified to international standards including API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, with verification from respected bodies such as TüV SüD and TüV Rheinland.

Our commitment to sealing innovation began with early R&D efforts focused on low-emission graphite packing solutions, particularly to meet the strict environmental and safety regulations of markets like the United States. Collaborating with leading universities and research institutions, we’ve tackled complex issues related to valve leakage, friction, and wear—culminating in our first TüV-witnessed API 622 certification and a growing portfolio of global approvals.

What truly sets China Topper apart is our scientific and research-driven approach to valve engineering. Beyond precision machining, we deeply investigate the behavior of non-metallic materials under extreme conditions, develop cutting-edge coatings for sealing surfaces, and study the long-term effects of friction and wear. Our multidisciplinary team of experts in valve mechanics, sealing systems, materials science, and automation work in unison to design smarter, more durable, and reliable valves.

By seamlessly bridging academic research and industrial application, we deliver solutions that enhance operational safety, efficiency, and longevity—earning the trust of customers across industries including petrochemicals, power, pharmaceuticals, and more.