Zhonghuan Hailu (张家港中环海陆高端装备股份有限公司, also known as Zhangjiagang Zhonghuan Hailu High-End Equipment) is a company that specializes in the research and development, production, and sales of industrial metal forgings. It offers bearing, flange, ring gear, and other forgings. The company caters to wind power, construction, petrochemical, mining machinery, and shipbuilding sectors.