正邦工程门控五金专业生产铝合金半自动门双轮, 铝合金半自动门大轨双轮，半自动门窄轨单轮，推拉门导轨， 铝吊夹, 全玻璃半自动开门器, 铝吊轮半自动推拉门系列,半自动导轨推拉门,门夹,导轨,止摆器,折叠门配件,半自动门系统(可自动关门),半自动门/半自动门配件/玻璃中封铝条/手动推拉门,吊轨配件/半自动门配件 bond engineering specializes in producing aluminum-gated metal-wheeled semi-automatic doors, automatic doors large aluminum wheel track, narrow-gauge single-round semi-automatic doors, sliding door rails, aluminum hanging folders, all-glass automatic door openers, automatic sliding aluminum wheel hanging door, automatic sliding door rails, doors, rails, only the damper, folding parts, semi-automatic door systems (automatic closing), semi-automatic door / automatic door accessories / glass sealed aluminum / manual sliding door, hanging track parts / semi-automatic door accessories 型号 : zb-d002 ; 规格 : 4米细轨双轮 ; 表面处理 : 电镀 ; 材质 : 铝合金 ; 加工定制 : 是 ;