Shandong Haiwei Chain Co., Ltd.  

In 1978, Mr. Zhu graduated from Jinan college and was assigned to the technical management department of township chain factory. During this period, he was successively appointed as the workshop director, deputy factory director and factory director. In 1991, Mr. Zhu took over the chain factory from the public ownership system and renamed it Hengxin chain factory. In 1999, in order to meet the market demand and improve the production efficiency, the factory introduced the rotary semi-automatic welding production line, and the output value of the next year reached five times of that of the collective economy, and the products have begun to be in line with international standards. In 2003, Hengxin chain passed the ISO2000 quality management system certificationwith complete heat treatment and testing equipment, and its products meet the German, British and American standards. According to the requirements, the surface treatment can provide self-color, polishing, electro- galvanizing, ... [View More..]