On October 12th, two 20000m3 calcium carbide furnace dry gas cabinet project of the annual output of 800,000 tons/year calcium carbide unit of Qinghai Salt Lake Magnesium Co., Ltd., which was built by Jiangsu Sunpower Technology Co., Ltd., achieved successful mechanical completion and was praised by the owner. The project was built in the Salt Lake Industrial Park of Golmud City, Qinghai Province. It is the largest gas cabinet project that our company has built. The two dry gas cabinets of calcium carbide furnace will play an essential role as a buffering facility for calcium carbide furnace gas.