Ningbo Stonewo Auto Parts Co., Ltd., is a exporter of Ningbo Fenghua Gaoyang Auto Tools Factory, who is a professional manufacturer of tire repair and inspect tool in the Automotive after market.(both company is belong to Mr. Gaoyang.)Our main product is Tire Valves, Air Tire Inflator, Dial or Pen type Tire Gauge, Air Chuck, Air blow gun, Wheel weight, Thread Depth Gauge, Tire repair tools, ect.We uphold the spirit of quality first.