Yantai Aidi M&E Technology Co., Ltd is a special equipment manufacturer for mine, oil & gas field, marine and offshore and a comprehensive wholesaler for packed labor protective articles, packed person protective articles, packed office articles and industry consumable products. Yantai Aidi M&E Technology Co., ltd including four companies with dozens of brands in Piping fittings, mining scrapper, metal forming machinery, forging manipulator, industrial automation production line and marine ...