China Topper Valve Packing Seal Kits Co., Ltd. is a leading manufacturer specializing in high-performance industrial valves, sealing gaskets, and packing solutions for critical applications across demanding industries. Our product range—including gate, globe, and ball valves—is engineered to meet rigorous API standards, featuring advanced low-leakage graphite packing to ensure reliable performance under extreme pressure and temperature conditions. Alongside our valves, we provide premium s