公司专业生产高速钢开孔器，规格齐全，质优价廉。该开孔器具有16mm～60MM的各种规格系列，可适用于2MM不锈钢、金属板、镀锌管，塑料板，铝合金等薄壁板材
Companies specializing in the production of high-speed steel hole device, complete specifications, quality and cheap. The hole with a variety of 16mm ~ 60MM series of specifications, can be applied to 2MM stainless steel, metal plate, galvanized pipe, plastic sheet, aluminum and other thin-walled sheet.
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