Brass Tire Valve core 9001/6004 9001,9002,9003,9004,9005,9006,9007, ... ,8004,7001,7002,7003,7004,6001,6002 Brass Tire Valve core 9001/60049001,9002,9003,9004,9005,9006,9007,9008, ... company was established twelve years ago as Ningbo Zhongda Valve Wick Co.,Ltd. Which is a small craft-based ... firm specialised in tire valves and valve cores purely for use in the automotive sector. However, ...