长期仪器
DT-2259 photoelectricity revolution counter + frequency shows appearanceCharacteristic: A watch combines function of two kinds of watches, cover situation of measure of most rotate speed, best-selling
地址:深圳市福田区华强北路30号华强电子世界
联系人:蔡毅
电话:0755-83610849
手机:13510619326
email:lscaiyi@gmail.com