We are the supplier of foreign and domestic brands such as Komatsu Shantui Kobelco Hitachi Caterpillar and Hyundai etc. We have the annual production capacity of 13,000 units of Buckets, 900 units of Sticks, 700 units of Booms, 800 units of undercarriages and other parts for construction machinery. Product quality is assured from equipment, works instruction sheet, production management to quality assurance system. We have 2 production lines for Bucket fabricating from 4ton to 30ton class for different customers with more than 40 equipments, including 4 units of multifunction positioners. We have 1 production line for Stick and Boom from 1.5ton to 12ton class with more than 30 equipments including CNC machines. Surface treatment adopt famous brand of equipment. The company from research and design, manufacture, production management, equipment guarantee ability and delivery speed both in the leading level. we have four subsidiary in china, Jining Changqing Machinery Co., Ltd., Jining Changqing Colliery Machinery Co., Ltd. Linyi Changqing Machinery Co., Ltd.. Qingdao Changqing Machinery Co., Ltd..We got through the ISO9001:2000 quality management system certification in July 2006.We are making our efforts to be an overseas oriented company. Product features prominent specialization, seriation, customization. We have been successfully exported our parts to America, the United Kingdom, France, Japan and Italy etc. We are keeping challenging ourselves with on-going innovation. We are doing our best to provide good services for our customers.