Established in 1998, HNJS is an ASME/CE/ISO/EAC certified professional manufacturer of LPG storage tanks, LNG storage tanks, liquid ammonia tanks and other cryogenic gas tanks of oxygen, nitrogen, argon and carbon dioxide.We have 3 factories and over 800+employees, covers an area over200,000 m2 with capability of manufacturing over 3,500 products every year.

Our company has advanced production equipment, a large hydraulic bending machine, girth welding, automatic submerged arc welding machines, automatic CNC cutting machine, CNC winding machine, automatic ultrasonic testing apparatus, X-ray detection apparatus, a high temperature annealing furnace is automatically equipment, vacuum unit equipment, shot blasting equipment, closed-end painting rooms, hydraulic, pneumatic testing equipment, third-party testing authority. Ensure the quality of the product reaches the qualified standard.

we actively responds to the national "One Belt and One Road" initiative, lays out global business chains, aims to serve customer satisfaction, escorts customers with a high-standard professional after-sales service team, and establishes sincere and stable cooperative relations with domestic and foreign customers based on quality and reputation. , Create a brilliant career together!