China Ningbo DHK Precision Bearing Co., Ltd. was founded in 2004, locates in Zhenhai Economic Development Zone, Ningbo, China where is only 3 hours driving to Shanghai. We are ISO9001-Certificated, focus stable high quality products, chain pulley, chain pulleys and professional service as well as reasonable price, supported by our very strong engineering team and well equipped quality center. All you requirements will be 100% understood and followed in DHK. Also we are no problem to offer custom products, chain pulley, chain pulleys. DHK Bearing, your engineering care. We offer the best working equipments, happy, active, and chaste working condition, many re-training opportunities. Here you are so free to work the best as you can.