1亚洲国产精品成人综合久久久久久久久精品免费看片国产欧美久久久久久精品一区二区三区_成人精品一区二区91毛片不卡_99久久精品无码一区二区毛片免费_亚洲国产成人精品女人久久久国产美女久久久_一本色道久久综合精品免费_久久久久久一级毛片免费野外黑人_免费欧美日韩精品一区二区三区||www.sfzygy.cn,99精品亚洲_国产欧美日韩在线观看一区二区三区_天天在线欧美精品免费看_国产精品亚洲午夜一区二区三区_97久久天天综合色天天综合色hd_久操这里只有精品_又长又大又硬又持久_亚洲欧美日韩高清||www.jxdaili.cn ,国产裸体美女永久免费无遮挡,国产农村妇女精品一二区,国产农村妇女毛片精品久久,国产女人18毛片水真多1||www.benmama.com.cn ,亚洲欧美日韩中文字幕在线国产成人高清亚洲亚洲日本人成网站_青青人妖无遮挡久久99国产一区二区三区亚洲一区影院午夜福利_国产精品亚洲综合一区在线观看_国产成人a高清视频_麻豆国产精品无码AV在线_亚洲国产天堂久久综合网_久久久久久久99精品免费观看_亚洲 欧美 日韩 国产 视频_国产黄A真人一级无码毛片一区二区三区||www.mdba.com.cn

News
  • Case
  • News
  • STU Testing
  • Recall data
  • Download
ABOUT US About Us
Guangzhou Hengchuang Testing Technology Service Co., Ltd. (STU) is an independent third-party testing, certification, and calibration laboratory. It is a national level "high-tech enterprise" and a "specialized, refined, and innovative" enterprise. It is also a "public platform for mechanical and electrical product testing and food safety" of the Ministry of Science and Technology of China.

The company was established in 2005 and is affiliated with Guangzhou Microbiology Research Institute Group Co., Ltd., a subsidiary of Guangzhou High tech Zone Group. We specialize in conducting certification testing for mechanical and electrical safety, optoelectronic science, materials, physical and mechanical properties, environmental reliability, chemical environmental protection, bacteria and microorganisms, as well as measuring and calibrating instruments and equipment such as length, mechanics, thermodynamics, electricity, physics and chemistry, and specialized tools. It is committed to protecting the transformation and upgrading of Chinese manufacturing and moving towards the the Belt and Road. The company has successively obtained 28 international and domestic qualifications such as the United Nations International Electrotechnical Commission IECEE CBTL and the China National Laboratory Accreditation Service CNAS, obtained more than 40 patents, drafted a series of national standards, local standards, and industry standards, and led 8 scientific research projects of the Provincial Department of Science and Technology and the Municipal Science and Technology Innovation Commission.


Qualification Display
Hengchuang Culture

Unite and create brilliance together - Hengchuang held the 2022 annual commendation conference for strugglers

Unite and create brilliance together - Hengchuang held the 2022 annual commendation conference...

Strengthening school enterprise cooperation to assist enterprise development

Strengthening school enterprise cooperation to assist enterprise development

The Amoeba+Partner Stock Option Incentive Implementation Conference has successfully concluded

The Amoeba+Partner Stock Option Incentive Implementation Conference has successfully con...

corporate culture

While pursuing the material and spiritual happiness of all employees, contribute to China&rsqu...

安龙县| 沽源县| 横山县| 仁布县| 卢龙县| 轮台县| 沧州市| 房山区| 庆安县| 汕头市| 铁力市| 忻州市| 古丈县| 东丽区| 澜沧| 香港| 宁波市| 安阳市| 黎平县| 开化县| 河曲县| 宁明县| 嘉定区| 德昌县| 炎陵县| 偃师市| 平遥县| 高陵县| 古蔺县| 垫江县| 望江县| 永泰县| 东明县| 鄂托克前旗| 涟源市| 湖州市| 阳江市| 长海县| 石景山区| 威海市| 阜新市|