Suzhou Barnett Transmission Technology Co., Ltd. is located in Kunshan,is a professional manufacturer of wheel hub bearing, and auto/motorcycle/bike chain. We have the complete industrial chain, from raw materials to product manufacture and product distribution. Now has more than 130 items of chain related patents. Our company has established R & D center, with a complete set of test equipment for car wheel bearing , and motorcycle, timing chain system provides such as static strength (tensile strength), dynamic strength (fatigue performance) and bench test, performance test and provide necessary validation. The R & D center of the company has the ability to design and develop automobile and motorcycle engine.