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Tieling Valve Factory is China's large enterprises, the country's largest low-voltage large diameter valves professional production enterprises, in 1995 took the lead co***ny in the valve industry by DNV ISO 9001 Quality System certification, it was listed as the national machinery industry's largest 500 enterprises First, founded in 1935, has 70 years of history producing valves, is the key enterprises of China Machinery industry. The co***ny is strong in technology, production equipment, testing means com...
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