Qingdao flying swallow Lingang precision steel ball manufacturing Co., Ltd.is located at 2767 Lingang Road, Huangdao District, Qingdao City. It belongs to Qingdao Huatong State-owned Capital Operating Group Company. Is the original state-owned Qingdao Ball Mill restructuring enterprise, is a state-owned holding enterprise, the enterprise covers an area of 80 mu, building area of 20,000 square meters. Fixed assets of nearly 80 million yuan, there should be more than 400 processing equipment, more than 60 precision testi