Suzhou Barnett Transmission Technology Co., Ltd. is located in Kunshan,is a professional manufacturer of auto/motorcycle/bike chain. We have the complete industrial chain, from raw materials to product manufacture and product distribution. Now has more than 30 items of chain related patents. Our company has established R & D center, with a complete set of test equipment, for car 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.