Wuzhong Instrument CV3000 series regulating valve, which introduced the advanced technology of Japan's Yamabu in the 1980s, is a classic small control valve in China. The product adopts a modular and small design, with stable performance, accurate control and strong adaptability. It covers all models such as HLS, HSC, HLC, HTS, HCB, TCB, HCN, HAA, HLSW, HTSW, HCBW, etc., and is widely applicable to hydrochemical, electric power and other multi-industry fluid regulation. And cut-off working conditions, verified by the market, reliable quality.

The self-powered pressure regulating valve does not need to add energy. It relies on the energy of the regulated medium to achieve automatic adjustment. It can be used in no-electric and gas-free scenarios, and has the advantages of energy saving and consumption reduction. The products cover ZZYP, ZZYP-II, ZZV, ZZC, ZQFY and other models, which can realize the automatic control of pressure reduction and stabilization after the valve and pressure relief in front of the valve for the pressure of gas and liquid media. It is widely used in the pressure regulation of equipment fluid in petroleum, chemical industry, electricity, medicine, food and other fields.

Shanghai Company launched valve maintenance and installation maintenance services in 1996. The business covers the Yangtze River Delta and natural gas websites. It can provide daily operation and maintenance of valves, emergency repair, control valve transformation and spare parts customization services. We have cooperated with many large enterprises for a long time, launched the on-site or factory maintenance mode, professionally and efficiently ensured the safe and stable operation of the device for a long cycle, and continuously improved production stability and operational efficiency for customers.