99热这里只有精品6_无码精油按摩潮喷在_天天摸天天碰天天添_美女扒开内裤无遮挡18禁免费观看【_蛮好的人生在线观看免费高清_公媳谢莹李瑞峰免费阅读_在线+国产+无码_无码国产精品一区二区免费l_国产成人精品三级在线观看

Explosion proof 3C certification is a mandatory certification adopted by the country for some explosion-proof electrical products.

The products currently included in the explosion-proof 3C certification catalog include 17 categories. include:

Explosion proof motors, explosion-proof electric pumps, explosion-proof distribution devices, explosion-proof switches, control and protection products, explosion-proof starters, explosion-proof transformers, explosion-proof electric actuators, solenoid valves, explosion-proof plug-in devices, explosion-proof monitoring products, explosion-proof communication, signal devices, explosion-proof air conditioners, ventilation equipment, explosion-proof electric heating products, explosion-proof accessories, Ex components, explosion-proof instruments and meters, explosion-proof sensors, safety barriers, explosion-proof instrument boxes, etc

At present, there are 6 institutions in China that can issue explosion-proof # 3C certification # certificates, namely:

CQC

CQM

NEPSI

PCEC

CNEX

JEXM

Zhongnuo TestingHere are several sample 3C certification certificates from institutions for reference.

Original article, plagiarism and reprinting are strictly prohibited. Our company reserves the right to hold accountable!