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Ningbo Valve Factory was founded initially as a state owned co***ny by China Machinery Ministy in 1959, it covers over 30000 square meters. During the past 50 years co***ny had been producing and developing large and samll valves for petrol industry, water conservancy, air-conditioning systems, water treatment, water discharging and controlling systems, chemical industry, power plants and so on. Reply on its dominating techniques and reliable social status, co***ny’s valves once for many times were nominated...
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