Qingdao Wincom Industrial Co., Ltd. is specialized in producing tire valves and tire valve cores. With 30 years’ experience on production and service, pursuing to offer good quality tire valves and tire valve cores of bicycle, electric bicycle, motorcycle, car, truck, agriculture and OTR to the customers. According to the demand of the market, we also research and produce auto air-conditioner valve core, high pressure nitrogen valve core and TPMS tire valves.

Based on the stable quality, competitive prices, professional exporting service and efficient application, Wincom has been the largest production base of tire valves for bicycle, electric bicycle and motorcycle in China.

Wincom is located in gaomi city, Shandong province, China. After years of development, Wincom not only owns advanced rubber production line, butyl and  natural rubber base curing equipment and testing instruments, and also applying nanotechnology to the valve stems before vulcanization process, so that the adhesive strength, tension, stability, consistency, and valve stem color-keeping, has been in a leading position.

The company has well-equipped laboratories, continuous research and development  ensure the continuous product innovation and improvement. Meanwhile, better process control and simple quality supervisory system, ensuring the whole perfect that from raw materials to finished products.

The engineers from R&D Department will research the requirements of the customers regularly, ready to provide technical support at any time, not only keep developing the products, but also solve all the possible questions on tire valves in advance for customers. 

Wincom has passed ISO9001 and ISO/TS16949 certification, and established strict QC management system, producing based on the National standard, American TRA standard, Japanese JIS standard, ETRTO standard of the European Union, and can also develop and produce special tire valves according to customer's requirements.