Technique/equipment: reduction, carbonization and pelletization techniques and equipment; injection molding, pressing, sintering and coating (PVD，CVD).
Technique/equipment: reduction, carbonization and pelletization techniques and equipment; injection molding, pressing, sintering and coating (PVD，CVD).
技术/设备类：还原、碳化和制粒技术和设备等；注射成形、压制、烧结、涂层（PVD，CVD）。