Located in Shandong, China, Shandong Yahua International trade Co., Ltd is a professional manufacturer of high quality of gas cylinder CO2 cylinder, such as steel cylinder, aluminum cylinder, glass fiber cylinder and storage tanks. Also all kinds of cylinder accessories. We have more than 20 years of producing and exporting experience in the field of medical, industry, beverage, aviation and diving. And we have a good reputation in these fields. Our products have won praise from customers worldwide.