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![]() DADI Petroleum Machinery Co., Ltd is one of the subordinates of Inner Mongolia First Machinery (Group) Co., Ltd. affiliated with China North Industries Group Corporation. Dadi is a enterprise with strong technical forces and equipped with advanced manufacturing facilities. Dadi can manufacture a variety of petroleum machinery products. Dadi Company is one of the major manufacturers in China for sucker rods products. The company has two production bases in Baotou and Qinhuangdao. 1981年, 按API标准生产大地牌抽油杆系列产品、接箍系列产品、其他石油机械产品。 1982年,取得了API标记使用证书,是国内首家取得API证书的抽油杆生产厂。 1997年,通过ISO9001质量体系认证。 2009年,取得API-5CT认证后开始投入生产油套管、油管系列产品,年产可达5万吨。 2012年,通过ISO14000环境管理体系... [详细介绍] |