China Semi-Automatic Lubricant Oil Weight Filling Machine Our History Qingzhou Chengde Packing Machinery CO., Ltd was founded in 1998, We are one of the early filling machinery manufacturing enterprises, covering an area of 6000 square after-sales service mode of whole process telephone tracking for the supplied equipment.China Semi-Automatic Lubricant Oil Weight Filling Machine website:http://www.chengdefilling.com/