Qingdao Baigong Industrial and Trading Co., Ltd. is one of the leading enterprises specialized in developing, engineering, manufacturing and exporting gas cylinder products and industrial gases in China and our company was approved by Qingdao Foreign Economical & Trading Commission. We, Qingdao Baigong, can supply wide range of gas cylinders, seamless steel gas cylinders, aluminum alloy gas cylinders, composite gas cylinders, acetylene cylinders, which can be filled with Oxygen Gas, Carbon Dioxide Gas, Argon Gas, Acetylene Gas etc. All the Seamless Steel Gas Cylinders we supply can be produced mainly according to GB5099 standard, ISO9809 standard, En1964 Standard and DOT3AA standard, the Aluminum Gas Cylinders are produced according to GB11640 standard and the Acetylene Gas Cylinders are produced according to GB11638 standard. Our gas cylinders are widely applied to many industries such as chemical, medical, pesticide, metallurgy, paper industry, rubber, plastic, textile, printing and dyeing, food, water purification, light industry, electricity, fire-fighting, and automatics. Also we could supply all kinds of industrial gases such as oxygen, nitrogen, ethyne, helium, argon, carbon dioxide, hydrogen, cutting gas, ammonia, condensed air and high purity gas, standard gas, mixed gas, lab gas, liquid gas, etc. which makes us could export both empty gas cylinders and cylinders filling with gas. Furthermore, we could supply the liquid nitrogen containers from1Liter to 100Liter. Our liquid nitrogen containers/dewars are widely used in biological engineering and medical sanitation for storing the active biological materials such as the breeding livestock&＃039;s semen and embryos, marek disease vaccine, genes and dry cell. The vessels are applied in the industrial cooled assembling and material&＃039;s low temperature processing. Besides, it can also form set with electronic devices. Our products have been exported to many many countries in Asia, Africa, Mid- East, Europe and South America, etc. and gaind good reputation from both domestic and abroad customers. Nowadays, with excellent quality, business honesty and more and more perfect management, our company has earned a good reputation in the professional field. Besides, we are also definitely focusing on optimizing production and operation. What remains the same is our ability to find the best, most innovative solutions and to turn them into market successes - creating customer benefit and increasing Company value. We sincerely hope to build business relationships with customers around the world and also would like to invite you to visit our factory in your convenient time.