... files, screwdrivers 2) Stainless steel material 3) optical tools The tool set for optical frames, pliers, files, screwdrivers 1) tools for ... repair Wenzhou Redstar Optical Co., Ltd. is one of the biggest manufacturers and exporters in China specialize in optical ... certificate systems. Meanwhile, most of our products are following the national standard: GB10810-1996, registered FDA number and got ...