SANJIANG KAI YUAN CO.LTD was founded in 2012, located in Lanxi city, Zhejiang province, China, with the convenient transportation, close to the seaport Ningbo and Shanghai. The company covers an area of 120,000 square meters with the modern plants of more than 58,000 square meters. It is specialized in manufacturing B2 pressure vessels --non-refillable steel welded cylinder such as refrigerants cylinder, helium gas cylinder, foam and adhesive cylinder, and refillable cylinder for refrigerants, helium, and fire extinguisher. The company have more than 100 employees, it owns 3 most advanced automatic production lines, reaching the annual outputting 8.6 million pcs. The cylinder produced conforms to the national standard of GB/T17268 and GB/T5100, has already attained the certification of US DOT-39, Germany TUV, South Korea KGS and Japan KHK. All of the products are strictly inspected and tested before delivery. Our high-qualified products have gained good reputation at home and abroad, and export to UAS, European Union,East-South Asian, The Middle East, Australia, UAE, Turkey, New Zealand, Chile, Peru, Brazil and etc . Our principle : "Technology as Base, Quality for Development, Product for Brand We believe it will help us to supply our customers with best service!