China Topper Valve Packing Seal Kits Co., Ltd. is a specialized manufacturer of high-performance industrial valves, sealing gaskets, and packing solutions designed for the world’s most demanding applications. Our product portfolio includes gate, globe, and ball valves, all engineered to meet rigorous API standards and equipped with advanced low-emission graphite packing for exceptional sealing under extreme pressure and temperature conditions.
Complementing our valve range, we offer a comprehensive selection of gaskets and packing materials specifically developed to withstand chemical corrosion, thermal cycling, and mechanical stress. Each product undergoes independent third-party testing and carries internationally recognized certifications, including API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, with verification by TüV SüD and TüV Rheinland.
Innovation lies at the core of our mission. We were among the early pioneers in low-leakage graphite packing R&D, anticipating the needs of low-emission markets such as the United States. Long-standing partnerships with leading universities and research institutes have enabled us to tackle complex challenges related to valve leakage, friction, and wear. These efforts led to our first TüV-witnessed API 622 certification and have since resulted in a complete lineup of globally approved solutions.
What truly distinguishes us is our science-led approach to valve development. Rather than focusing solely on machining, we explore the deeper material science behind sealing performance. From understanding the behavior of non-metallic materials under high stress to developing durable coatings for sealing surfaces and analyzing long-term wear, we push the boundaries of what’s possible in valve engineering.
Our multidisciplinary team—spanning valve design, sealing systems, materials science, and automation—collaborates to deliver valves that offer enhanced safety, extended service life, and superior operational efficiency. By integrating academic research with practical industry application, China Topper helps customers around the world achieve reliable, leak-free performance in critical environments.