国产成人综合网在线观看_国产另类无码专区_午夜激情经典印度女人性液_大色网激情你懂得_日本熟妇中文字幕三级久久_藏经阁AV无码综合亚洲,97色伦午夜国产亚洲精品_成人爽A毛片在线视频淮北_无码视频潮喷一区二区_亚洲动漫精品无码AV天堂_日韩AV无码成人精品国产_亚洲欧美日韩中字制服国产 ,日本人真淫视频一区二区三区_四虎亚洲国产成人久久精品_先锋影音玖玖影院兔女郎_国产麻豆精品传媒av国产_亚洲午夜未满十八勿入网站_欧美午夜精品一区二区三区 ,亚洲一区二区福利视频_亚洲制服丝袜第1页影音先锋_美女裸乳裸体无遮挡的网站_免费男人下部进女人下部视频_欧美变态另类牲交_乱子伦国产对白在线播放

13537019111 13559763955
13602394038 13650424166

Current Location: Group homepage > Quality Control

Quality Control

Quality control

Jingfeng takes improving product quality as its core, continuously improving customer satisfaction as its purpose, and strengthening the construction of quality culture as its persistent pursuit. It carefully constructs a management system that integrates quality, environment, and safety, and transmits the concept of craftsmanship to every product.

 

Measuring equipment

  • 01

    ROHS tester

    Mainly detecting harmful substances restricted in ROHS environmental directives.

  • 02

    Reliability testing

    Mainly testing salt spray testing of hardware and electroplating products; And the overall wear resistance level of the surface treatment process of the product.

  • 03

    Cold and hot impact test chamber

    Mainly testing the performance changes of products under low-temperature and high-temperature alternating impact conditions.

  • 04

    Onckel UV tester

    Mainly testing the product's UV aging resistance.

  • 05

    Xinhengsen XHS-CAZ2 water droplet angle meter

    Mainly testing the hydrophobicity of surface AF to determine the product's surface resistance to fingerprint printing and dirt.

  • 06

    Constant temperature and humidity test

    Mainly testing high temperature and humidity, cold and hot cycling, high temperature and low temperature testing, etc.

Copyright(C)2023, DongGuan Wellmei Industrial Co.,Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
日韩久久久精品首页| 一个色综合国产色综合| 亚成区成线在人线免费99| 中文字幕一区二区在线观看| 成A人片亚洲日本久久| 国产AV永久无码天堂影院|