Shandong Zhongheng Chain Co., Ltd is a manufacturer of Chain and Sprocket with well-equipped testing facilities and strong technical force. Our company was established in 1951, we have more than 60 years experience in the chain and sprocket manufacture field. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in motorcycle, bicycle, machinery transmission and other industries. Our products are widely recognized and trusted by users and ca