UL(Underwriter Laboratories Inc.,美国保险商实验室)欧冠直播app成立于1894年,是独立从事安全科学事业的国际公司, 产品UL认证是覆铜板产品进入市场必须的一项认证。
欧冠直播app ANZHAOULDEGUIDING,FUTONGBANCHANPINYAOMEFUHEULDESHISIGEBIAOZHUNHONGWAITUPU,FOUZEXUYAOJINXINGZHANGQIRELAOHUACESHI(JIANCHENGLTTA)。DANGQIANDIANZIDIANLUXINGYEFAZHANXUNSU,FUTONGBANCHANPINZHONGLEIZAOYIBUXIANYUCHUANTONGDEFR-4,DADUOCHANPINBUFUHEBIAOZHUNTUPU,YINCILTTACHENGWEIULRENZHENGDEZHONGYAOTUJING。
LTTASHIULDISANFANGCESHISHUJUJIESHOUCHENGXUZHONGQIANQIPINGGUSHIJIANZHANG、JISHUYAOQIUGAODEYIZHONGCESHI,YOUYUCESHISHIJIANZHANG,DUIFUTONGBANCHANPINJINRUSHICHANGDESUDUYOUJIAODAZUAI,WEILEJIAKUAIULRENZHENGSUDU,LIJINGSHUNIANDECHOUJIANNULI,2014NIAN,欧冠直播appZHANGQIRELAOHUASHIYANSHISHUNLIHUODEUL《SHIYANSHI CTDPRENKEZHENGSHU》,CHENGWEIULDAZHONGHUAQUFUTONGBANXINGYEHUOZHUNSHENQINGUL LTTA CTDP(UL Long Term Thermal Aging Client Testing Data Program,ULZHANGQIRELAOHUAKEHUCESHISHUJUCHENGXU )DESHIYANSHI。CIZIZHIDEHUODE,KEYIBANGZHUJISHUYANJIURENYUANZAICHANPINYANFAJIEDUANJIUYOUTIAOJIANJINXINGULDEMONICESHIGONGZUO,SUODUANCHANPINDEULCESHISHIJIANHETIGAOTONGGUOLV,TONGSHIZHUYIJILEILTTAXIANGGUANSHUJU,JIASHENDUIULCESHIDERENSHI,ZHIDAOCHANPINKAIFA。