China Valve Packing Co., Ltd.
China Topper Valve Packing Seal Kits Co., Ltd. (https://www.valvepackingsealkits.com/
) is a specialized manufacturer focused on high-performance industrial valves, sealing gaskets, and packing solutions for demanding and critical applications. Our valve portfolio—including gate, globe, and ball valves—is engineered to meet stringent API standards and features advanced low-leakage graphite packing designed for exceptional performance under extreme pressure and temperature. Alongside our valves, we supply premium sealing gaskets and packing materials engineered to withstand chemical corrosion, thermal cycling, and mechanical stress. All products undergo rigorous third-party testing and are certified to globally recognized standards such as API 622, API 624, API 641, ISO 15848-1, and TA-LUFT, witnessed and verified by TüV Süd and TüV Rheinland.
Innovation in sealing technology lies at the core of our development work. We began early research into low-emission graphite packing to meet the strict environmental requirements of markets such as the United States. Through long-term collaborations with leading universities and research institutions, we have addressed complex challenges related to valve leakage, friction, and wear. These efforts earned us our first TüV-witnessed API 622 certification and have since expanded into a full suite of international approvals, strengthening the proven reliability of our valves in real-world operating conditions.
What truly differentiates us is our scientific approach to valve engineering. While many manufacturers focus primarily on machining, we go deeper—studying the behavior of non-metallic materials under high load, developing advanced coatings for sealing surfaces, and analyzing long-term friction and wear mechanisms. Our multidisciplinary team—spanning valve design, sealing systems, materials science, and automation—works together to create smarter, longer-lasting, and more reliable valves. By integrating academic research with industrial application, we help our customers achieve higher operational safety, greater efficiency, and extended service life, earning lasting trust across a wide range of industries.