China Valve Packing Co., Ltd.

China Topper Valve Packing Seal Kits Co., Ltd. is a specialized manufacturer dedicated to delivering high-performance industrial valves, sealing gaskets, and packing solutions for critical applications in the world’s most demanding industries. Our product lineup includes gate, globe, and ball valves, all engineered to comply with stringent API standards and equipped with advanced low-emission graphite packing for exceptional reliability under extreme pressure and temperature conditions.

In addition to our precision valves, we offer premium sealing gaskets and packing materials engineered to withstand chemical corrosion, thermal cycling, and mechanical stress. Every product undergoes rigorous testing by third-party institutions and meets globally recognized certifications such as API 622, API 624, API 641, ISO 15848-1, and TA-LUFT—verified by TüV SüD and TüV Rheinland.

Our commitment to innovation and sealing technology excellence is what sets us apart. From an early stage, we focused on the development of low-leakage graphite packing solutions tailored to meet the stringent emission regulations of markets such as the United States. Collaborating with leading universities and research institutions, we have successfully overcome complex challenges in valve leakage, friction reduction, and wear resistance. These efforts led to our first TüV-witnessed API 622 certification and have since expanded into a full portfolio of international approvals, underscoring the real-world performance and durability of our products.

At China Topper, we go beyond traditional valve manufacturing. Rather than concentrating solely on machining, our scientific approach emphasizes a deeper understanding of non-metallic material behavior under high-pressure, high-temperature conditions. We develop advanced surface coatings, conduct long-term wear and friction analysis, and integrate cross-disciplinary expertise in valve design, sealing systems, materials science, and automation.

By bridging academic research with industrial application, we deliver smarter, safer, and longer-lasting valve solutions. This dedication to engineering excellence and customer trust has made us a valued partner across diverse sectors worldwide.Know more about Google SEO Directory