China Butterfly Valve Exporter Companies Lists in China Hardware

Hebei tongli automatic control valve co., LTD., was founded in 1995, the company headquarters is located in Siying development zone of Botou city, Hebei province. The company is a development, production, sales in one of professional manufacturers. Our products have obtained 32 national patents and passed ISO9001:2000 second quality system certification, special equipment license of the People's Republic of China, the occupational health and safety management system certification, environm.....