... : Ningbo Surely Metal Technology Co., Ltd. located in Zhejiang Ningbo and is specialized in manufacturing Aluminum die castings. we have advanced ... , Gravity casting, CNC machining, CNC milling, Stamping, Plastic injection ,Painting and powder coating, Customized cub-assembly.Based on quality products, excellent ... there is any question on our production. Aluminum die cating optical parts of microscope