Holding the quality principle of "all staff participation, consistent improvement, and fulfill every promise to customers", we have established excellent quality guarantee system, got the certification of ISO9001 quality management system. Our scientific and efficient management contributes to the excellent quality of Lingong products; and our normative aftersales service has won good reputation among customers in a wide range. The company has more than 200 sales dealers, over 150 service dealers, over 20 parts warehouse, which constitute a perfect aftersales service system.