A new set of YPM660 pellet mill for a new project has been finished. To ensure noise of the pellet mill operation under certain limitation, YONGLI engineers carried out this regular commission test. Results show all index up to par. YONGLI insist on providing better machine and service to clients. Commission test is done for every single machine made by YONGLI. Web: www.yongli-machine.com Contact: jessica@yongli-machine.com YouTube: https://www.youtube.com/channel/UCG_4zOC9ln9xdS8R_qMCxSQ