Shenzhen Longer Industry Co., Ltd., founded in 2003, engaged in the R&D, production, sale and after-sales service of various gas plants . We have exquisite technology, a high-quality professional team, advanced equipment and complete testing methods. Our main products include air separation plants, portable oxygen cans, liquid nitrogen containers, cryogenic liquid pump,vaporizer and all kinds of pressure vessels. Our products are widely used in many industries, such as metallurgy, aviation, petrifaction, experimental study etc. Our products have been selling well throughout the country and are exported to USA, Japan, Spain, Singapore, Syria, Iraq, Egypt, Algeria, Namibia, Sudan, Indonesia, Vietnam, Thailand, India, the Philippines and other countries and regions. Especially, we cooperate with multinational gas companies in the world, enhancing the research and development abilities. With superior quality and reasonable price ,we will make unremitting efforts to serve our customers . Let join hands to gain glory.