Yonglong Valve's products include low-temperature ball valves, pneumatic ball valves, electric ball valves, ammonia shut-off valves, ammonia ball valves, liquid ammonia safety valves, shut-off valves, fire-resistant breathable caps, piston type electro-hydraulic valves, CNC electro-hydraulic valves, liquid ammonia emergency shut-off valves, ammonia emergency shut-off valves, ammonia emergency shut-off valves, pneumatic emergency shut-off valves, hydraulic emergency shut-off valves, electric emergency shut-off valves, gas emergency shut-off valves, gas emergency shut-off valves, explosion-proof solenoid valves, pneumatic control valves, electric control valves and other chemical gas special valves. Yonglong Valve not only continuously innovates in its professional technical field, but also achieves good performance in market development.

Shanghai Yonglong Valve Factory is a professional manufacturer of gas and ammonia valves, and also an excellent enterprise in the domestic production of gas and ammonia valves. Emergency shut-off valves, CNC electro-hydraulic valves, and ammonia shut-off valves are the company's leading products, widely used in various fields such as petrochemicals, ammonia storage tanks, gas spherical tanks, liquid ammonia pipelines, chemical gases, etc. They occupy a certain share in China's petroleum, gas, chemical and other fields, and have become a leader in the domestic chemical valve industry.

Shanghai Valve - Shanghai Valve Factory has always adhered to the business philosophy of "integrity, quality, and innovation" for many years. In the face of economic challenges, Shanghai Yonglong Valve Factory is based in the gas/ammonia valve industry. Adhere to the development direction of "industrialization, technological advancement, and industrialization", continuously innovate, vigorously introduce talents, technology, and equipment, integrate resources, and accelerate the adjustment of market, product, and production layout.

We are not good, but we strive to do better. We adhere to three responsibilities: being responsible for technology, being responsible for customers, and being responsible for ourselves. To win the trust of more customers.

Excellent quality comes from our professional production. "- Shanghai Yonglong Valve Factory