中文无码熟妇人妻av在-中文无码视频三区四区在线观看-中文无码视频-中文无码肉感爆乳在线-中文无码日韩欧免费视频-中文无码日韩欧毛

One-Stop Ex Solution Provider
15850264116
One-Stop Ex Solution Provider
Our Services
Your current location:Home / Our Services / KY Certificate
KY Certificate and Testing
Read: 3079

KY Certificate refer to mine general electrical equipment certification, refers to a safety certification for electrical equipment (excluding cables and conductors) used in coal mine gas free, coal dust explosion hazardous areas and other similar underground industrial production departments such as non coal mines.

Products with KY certification must be stamped with permanent mark "KY" in an obvious position.

KY certificate is valid for 5 years.

KY Testing standard: GB / T 12173-2008 general electrical equipment for mining

 

Unlike MA Certificate, applying KY does not require Factory aduit.

KY Testing is only for the performance applicable to the special environment of the mine. The test is mainly for the IP, strength, insulation performance, maximum surface temperature and other aspects of the shell.

What data does KY certification need to prepare?

(1) User’s manual

(2) Product standard

(3) Product drawings

 (including circuit diagram, PCB diagram, general assembly drawing, BOM, etc.)

(4) Samples

Last article:Product catalog of KY Certificate
Contact us

Visit mobile website

Afanti official wechat
Online Service
Hotline
15850264116
主站蜘蛛池模板: 无限在线观看下载免费视频| 韩国理伦大片三女教师| 老师吸大胸校花的奶水漫画| 渣男渣女抹胸渣男渣女软件| 女大学生的沙龙室| 久久亚洲免费视频| 男女性色大片免费网站| 日本中文字幕一区二区有码在线| 四虎永久免费地址ww484e5566| 青青国产成人久久91| 韩日毛片| 99视频精品在线| 国产特黄一级片| 性色a∨人人爽网站| 哒哒哒免费视频观看在线www| 真实处破疼哭视频免费看| 日本高清黄色| 女人扒开双腿让男人捅| 护士的小嫩嫩好紧好爽在线播放| www.五月天婷婷| 粗大的内捧猛烈进出小视频| av天天看| 毛片1| 国产视频一区二| 收集最新中文国产中文字幕| 亚洲人成伊人成综合网久久久| 老公去上班的午后时光| 91视频中文| 96免费精品视频在线观看| 91蜜桃视频| 久久国产高清| 国产精品99| 天海翼一区二区三区高清视频| 一二三四在线观看免费高清视频 | 三年片在线观看免费观看大全中国| 久久久噜噜噜久久中文字幕色伊伊 | 亚洲电影在线播放| a级毛片毛片免费观看久潮喷| 四虎在线免费播放| 国产精品嫩草影院一二三区入口 | 毛片免费观看网址|