China Topper Valve Packing Seal Kits Co., Ltd. is a specialized manufacturer focused on delivering high-performance industrial valves, sealing gaskets, and packing solutions for critical applications across the most demanding industries. Our product portfolio includes gate, globe, and ball valves that comply with rigorous API standards, featuring advanced low-leakage graphite packing to ensure exceptional sealing under extreme pressure and temperature conditions.In addition to valves, we supply premium sealing gaskets and packing materials engineered to resist chemical corrosion, thermal cycling, and mechanical stress. All products undergo comprehensive third-party testing and are certified to internationally recognized standards such as API 622, API 624, API 641, ISO 15848-1, and TA-LUFT—certifications verified by TüV Süd and TüV Rheinland.Our commitment to innovation and sealing excellence began with early R&D efforts focused on low-emission graphite packing technologies, ... [詳細(xì)介紹]