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    Zhongyuan Switchboard Petroleum Equipment Co., Ltd.Sincere cooperation, hand in
						hand
    
				
    
					
    Zhongyuan Switchboard Petroleum Equipment Co., Ltd. was founded in 1978
						and was restructured into a
						limited liability company in August 2004. It is a high-tech enterprise in Henan Province, a
						technology center enterprise in Henan
						Province, a top ten scientific and technological innovation unit in Henan Province...
    
					

    
					
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