Zhejiang Donyang Chemical Machine Co., Ltd. was founded in 1969 with the original name of Zhejiang Chemical Machine Factory (provincial unit and state-owned enterprise). Established in 200, our company covers an area of 200,000 square meters and has a plant of 60,000 square meters and professional equipments. Our company has been one of the main manufacturers of pressure vessels and is appointed by the China Quality Supervision Inspection & Quarantine General Bureau.

Our company has obtained the designing and manufacturing license for A2 grade pressure vessel, manufacturing license for B2 grade steel welded gas cylinder and B3 grade non-refillable gas cylinder(including bursting disc) and C3 grade storage tank, periodic testing certificate for welded gas cylinder, installation for GB1 gas-fired pipeline, GB2 thermodynamic pipeline, GC2 industry pipeline. We also have obtained the DOT39 approval for non-refillable cylinder, EC approval for 12L refillable cylinder and non-refillable cylinder.

Our company not only pays special attention to the investments of technology and equipment, but also to the personal training and technical innovation. Our company is a hi-tech enterprise of Jinhua City. At present, we have over 300 sets of professional manufacture and inspection apparatuses for pressure vessels, and a nondestructive flaw detection room, a welding testing room, a chemistry and physics analysis lab, a bursting test room and a measurement room. We have a team of professional technicians and experienced workers and have cooperated with Zhejiang University Chemical Machine Research Institution. Now, we have abundant experience in manufacturing stainless steel, nickel & nickel alloy, titanium and titanium alloy and can meet different demands of various users.

We've been pursuing the enterprise tenet of "excellent products, satisfaction service, both honesty and credit, mutual benefit" and persisting in the quality purpose of "the qualified rate of each product =100%". Through the development of over 30 years, the capability of technical innovation has constantly improved and quality guarantee system is perfect day by day.

Our company is located in Dongyang City in the middle of Zhejiang Province, adjacent to Hangzhou-Zhuzhou Railway and can be directly reached by Jinhua-Ningbo and zhuji-Yongjia Speedways. We enjoy convenient transportation. We sincerely welcome your patronage and cooperation.