Zhejiang Hailiang Co., Ltd. is the world's largest copper alloy tube manufacturing enterprises and one of the internationally renowned copper processing enterprises，is China's largest exporter of copper tubing and second major copper tube manufacturing enterprises，is the top three precision copper production enterprises and one of the most important copper production enterprises.

Zhejiang Hailiang Co., Ltd. Zhejiang headquarters covers an area of 550 thousand and 100 square meters, the gross area is 412 thousand and 700 square meters, consists of 3 industrial parks, among them, one park is the copper tube business unit (copper tube department),  mainly produce copper tube, alloy copper tube, insulated pipe and plastic coated copper pipe. Two park is the Zhejiang Hailiang copper processing research institute and the copper tube business unit (pipe fitting department), the research Institute is mainly engaged in the design and manufacture of copper processing equipment , various mold making. The copper tube business unit (pipe fitting department)  produces all kinds of supporting red copper and brass fitting. Three Park is the coil business unit and Zhejiang Ke Yu metal materials company. The coil business unit mainly produces CD tube, internal thread, mosquito coil dish. Ke Yu company produces various middle and high grade extruding precision copper bar, rolling and polishing continuous casting copper bar and copper ingots.