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   Yangzhong Valve Factory Co., Ltd. (original Jiangsu Yangzhong Valve Factory) was originally founded in 1958, it is a member unit of China Valve Association; a director unit of Jiangsu Valve Association, a member factory of Petroleum Chemistry Market Resources of Chinese Petroleum Chemistry Industry, a first-class supplier factory of China National Petroleum Corporation, ISO9001:2000 certification enterprise, safety registration enterprise of pressure pipeline fittings, API certification enterprise of American Petroleum Institute, it is a professional manufactory integrating scientific research, design, manufacturing and installation in an organic whole.

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