China Valve Packing Co., Ltd.

China Topper Valve Packing Seal Kits Co., Ltd. (https://www.valvepackingsealkits.com/) is a specialized manufacturer focused on delivering high-performance industrial valves, sealing gaskets, and packing solutions for critical and demanding applications. Our product portfolio includes gate, globe, and ball valves engineered to meet rigorous API standards and equipped with advanced low-leakage graphite packing designed to excel under extreme pressure and temperature conditions.

In addition to our valves, we provide premium sealing gaskets and packing materials engineered for outstanding resistance to chemical corrosion, thermal cycling, and mechanical stress. All our products undergo thorough third-party testing and hold certifications to internationally recognized standards such as API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, validated by TüV SüD and TüV Rheinland.

Committed to innovation and sealing excellence, we initiated early R&D efforts in low-emission graphite packing to meet stringent market requirements, particularly in the United States. Our long-standing partnerships with leading universities and research institutions enable us to tackle complex challenges related to valve leakage, friction, and wear. These collaborations resulted in our first TüV-witnessed API 622 certification and a comprehensive suite of global approvals, underscoring the reliability and performance of our products in real-world conditions.

What differentiates us is our scientific approach to valve engineering. Beyond machining, we study the behavior of non-metallic materials under pressure and temperature, develop advanced coatings for sealing surfaces, and analyze long-term friction and wear. Our multidisciplinary team of experts in valve design, sealing systems, materials science, and automation works collaboratively to create smarter, more dependable valves. By bridging academic research with industrial practice, we empower customers across diverse industries to achieve enhanced operational safety, efficiency, and extended service life—earning their trust worldwide.