Qingdao Ruifeng Gas Co., Ltd. is located at the foot of Qingdao Lao Mountain, with a superior geographic position. The company is the only gas enterprise in Qingdao city who have obtained the ISO9001 certificate of quality management system and we have more than 10 million RMB of investment. Our company produces low-temperature liquid equipment and complete set of gas equipment which mainly including low-temperature insulated cylinder, low temperature liquid storage tank, low-temperature liquid vaporizer, LNG vaporizer, gas decompression device, group relief valve, gas cylinder manifold, gas switching system and cylinder cabinet, etc.Also we produces oxygen cylinder, argon cylinder, nitrogen cylinder, acetylene cylinder, CO2 cylinder with different volume. So our products could meet customers' different requirements.Our company has a professional engineering and management team with advanced technologies, so the quality of our products can be guaranteed.Our company will supply adequate products with reliable quality, excellent service and reasonable prices to old and new customers from home and abroad. We endeavor to provide the global customers with the best and the most professional products.For further information of our company, pls visit our website.