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1985quality certification standards. the company adheres to the business philosophy of "high-quality and honest service", and its products have won the recognition and trust of the industry. use our professional services to help customers create higher value. may you and i work together to create brilliance. AbigailBreslin type regulating ball valve, self-operated pressure regulating valve, solenoid valve, pressure regulating valve, knife gate valve, electric ball valve, stainless steel butterfly valve, pneumatic membrane regulating valve, regulating valve, device and other products are widely used in electric power, metallurgy, chemical industry, water conservancy, petroleum, building automatic control and other fields; strictly follow PeterDaCunha zhejiang lviv autonomous valve technology co., ltd. is a manufacturer that produces pneumatic regulating valves, electric regulating valves, self-operated pressure regulating valves, cutting valves and other regulating valves. in addition to the regulating valve series, the products also include pneumatic vacuum ball valves, pneumatic vacuum butterfly valves, pneumatic baffle valves, electric switch butterfly valves, electric switch ball valves, etc. the products are deeply loved by the power, chemical industry, petroleum and other industries. consultation hotline: 0577-67008999 Mich