Hangzhou Dongyi Chain Industries Co., Ltd is a professional manufacturer of chain in China. We are specialized in producing all kinds of standard chains and special chains, such as A or B series chains, driving chains, conveyor chains, dragging chains, agricultural chains, Stainless Steel Chains, Plated Chains, Silent Chains, and so on. We have been in the field for 20 years, and eny high reputation at home and abroad.