we are one of the leading tyre tube valves manufactures in China. With the strict quality management, Our company is confirmed by our state as the specialized tire valves manufacture from bicycle, ....
Ningbo Yinzhou Jinke Tire Valve Factory was established in the early1980s, Our company is confirmed by our state as the specialized enterprise to produce the tyre valve , valve core and rubber base....
Ningbo Changlong Precision Component Co., Ltd. is a high-tech national corporation. After a few years of development, we now have a modern CNC Machining center , excellent designers ( including....