the company. Organized team to finish our first 3D MR real-time management system. Led product team in developing release of new features, like edition mode, multi-device synchronization, and file management. Improved internal process, arise in operation efficiency to more than 20%. Established standard file management rules and reduced wasted time. Established efficient communication tunnel, promoted multi-department cooperation. Imported Kanban and Milestone Chart, project progress can now be traced. Used DFD to find out the time wasted in our production process and impoved it. Other works: pre-sales, preparation of