The main products of YL Yonglong Valve are:Emergency shut-off valveAmmonia shut-off valve, electro-hydraulic valve, liquid ammonia shut-off valve,ammonia valve,Ammonia shut-off valve，Fireproof breathable cap，Pneumatic emergency shut-off valve，Hydraulic emergency shut-off valve，Emergency shut-off valve for liquid ammoniaEmergency gas shut-off valveIts products are widely used in industries such as oil and gas, chemical, power, petrochemical, metallurgy, water treatment, papermaking, and food.

Shanghai Yonglong Valve Factory has become one of the brands in the Shanghai gas and ammonia valve industry. Yonglong Valve is currently a professional manufacturer of gas ammonia valves in Shanghai. Yonglong Valve has more than ten independently developed cut-off valve product series, aiming to become an important partner in power, petrochemical, oil and gas, and chemical industries. Yonglong Pump Valve Z has strict quality standards. Before leaving the factory, 100% of the valves undergo testing to meet various quality standards.

In recent years, the 'YL' brand has occupied the market in the chemical valve industry with its own strength, not only continuously innovating in its professional technical field, but also achieving good performance in market development.

YL Yonglong Valve adheres to the business philosophy of taking talent as capital, technology as power, and customer needs as its own responsibility, and insists on building a resource-saving and environmentally friendly society as an important focus to accelerate the transformation of the economic development mode. Production indicators include performance, lifespan, and aesthetics. Adhere to three responsibilities: technical responsibility, customer responsibility, and self responsibility. Winning a larger customer share, thereby expanding *.

On the path of innovation, being able to keep up with and control * technology is inseparable from Yonglong fully utilizing technological achievements. In order to enhance the application capability of new technologies, processes, and materials, and solve various resource shortages and bottleneck problems, Yonglong Valve Industry actively explores and implements the establishment of technology cooperation alliances with research institutes, improves the enterprise's technology innovation and application system, and promotes the improvement of core competitiveness through technology development strategies. In recent years, with the establishment and improvement of the two major strategic alliances of technology and manufacturing, it is possible to better invest the main energy into the brand strategy of enterprises.

Shanghai Yonglong Valve Factory adheres to the concept of "we are not good, but we try our best to do better" and always regards product quality as the foundation of enterprise survival and development. In today's fiercely competitive market, Yonglong Valve firmly holds the banner of valve localization and stands at the same height as valve manufacturing enterprises.