主营:弹簧垫圈和平垫圈
上海紧固件展2届参展商
上海特发弹簧垫圈有限公司
产品名
专业生产销售各类型号和材质的弹簧垫圈与平垫圈以及各类五金件
Specializing in the production and sales of various types and materials of spring washers and flat washers and all kinds of hardware