Qingdao Ruifeng Gas Co., Ltd is located at Qingdao, a coastal city, known as Oriental Switzerland. The company lies on Licang Industrial Park, the foot of Laoshan Mountain, occupies about 99,000 square meters of floor area, owns 50 million RMB of registered capital and fixed assets 320 million. We have 20 senior engineers and more than 30 technicians engaged in designing and manufacturing, and have already got ISO9001: 2000 quality system certificate, ISO14000 environment Management system ...