• <strike id="c8yqi"></strike>
    • 
      
    • <ul id="c8yqi"></ul>
    • <abbr id="c8yqi"></abbr>

      Common sense of cable purchase

      2020-12-07 16:23:33 浙江立洲線纜股份有限公司 Viewd 2538

      Cables are the main medium for power transmission. High-quality cables not only have a long service life, but also have a good power transmission effect. What are the common senses for purchasing cables? Wire and cable manufacturers to tell you.


      When purchasing cables, one must check the CCC certification mark of the product. This is a national mandatory safety certification product. Any wire and cable manufacturer should obtain the CCC certification mark. Inspection reports are also the main basis for purchasing cables. Regular cable manufacturers will regularly accept quality inspections from relevant departments and obtain inspection reports from that department. This is the main basis for judging the quality of cables.


      Excessive packaging makes people feel resistant to many products, but wire and cable manufacturers know that when purchasing high-quality cables, they must choose products with exquisite packaging and clear and complete surface printing. This represents the scale of the manufacturer and also judges the cable. An important aspect of pros and cons. Checking the appearance of the cable is also the focus of purchasing high-quality cables. The cables produced by regular cable manufacturers have a smooth appearance and uniform color.


      In addition to the above four points, you must check the conductor and measure the length of the cable when purchasing the cable. High-level cables require shiny conductors, and the size and structure of conductors and DC resistance meet the relevant national requirements. The measurement length is judged according to the national standard cable length, 100 meters is the standard, and the error is about 0.5 meters.


      主站蜘蛛池模板: 国产在线乱码在线视频| 末成年美女黄网站色大片连接| 国产熟睡乱子伦视频在线播放| 丁香六月婷婷综合激情动漫| 欧美a级v片在线观看一区| 啊灬啊灬啊灬快灬深用力点| 2021国内精品久久久久久影院| 天天综合天天做| 久久精品99国产精品日本| 欧美性狂丰满性猛交| 免费观看国产小粉嫩喷水| 色播影院性播免费看| 国产精品免费播放| 一个人hd高清在线观看| 日本xxxwww| 亚洲人xxx日本人18| 欧美黄色免费看| 国产suv精品一区二区33| 黄色片免费网站| 大胸美女放网站| 中文字幕视频在线| 日韩欧美亚洲视频| 亚洲无码在线播放| 百合潮湿的欲望| 国产三级网站在线观看播放| 黑人巨鞭大战丰满老妇| 国产色在线com| 中文无线乱码二三四区| 日本特黄特黄刺激大片免费| 亚洲成a人片在线观看中文!!!| 波多野结衣久久高清免费| 又污又爽又黄的网站| 羞羞视频免费网站含羞草| 国产熟睡乱子伦视频在线播放| 99久久精品费精品国产一区二区 | 把水管开水放b里是什么感觉| 亚洲av最新在线观看网址| 欧美怡红院免费全部视频| 伊人热人久久中文字幕| 看视频免费网站| 四虎884tt紧急大通知|