北海4002-金属材料处理或加工服务
400004磁化;400007镀银;400011锡焊;400013镀镉;400017镀铬;400018金属电镀;400024涂金;400026电镀;400027镀锡;400029铁器加工;400031铣削加工;400034镀锌;400042金属处理;400043金属回火;400045镀镍;400085镀金;400086激光划线;400093精炼;400099锅炉制造;400100金属铸造;400108配钥匙;400125焊接服务;锡器加工;金属镀釉;银器制作;金属熔炼服务;模具铸造;热浸镀;退火;金属层压;金属精炼;金属加工;金属硬化;金属热处理;消磁;退磁;气焊设备出租;焊接