Zhejiangangang is a fully-funded subsidiary of beijing langwang precision machine power company, which invests 30 acres in the town of fengbashi, south lake, kashing city, zhejiang province, of which more than 24,600 square metres are built and more than 700 square metres are built in office and dormitories. Zhejiang langwang started production in january 2020, mainly with steel valves for refrigerator compressors, exhaust valves, limitors and their components。