亚洲精品无码专区久久,午夜精品国产精品三级黄色片,精品视频99在线观看,91大香蕉视频免费在线

測試服務Testing

Contact Us

400-016-1080
021-51088618

Leave a message

Testing Services

International standard testing
Passing the test and inspection of international standards is the basic requirement for entering the international market and a strong guarantee for product quality. The company has been authorized by many internationally renowned testing and certification organizations. It has been focusing on the industrial field for several years and can assist enterprises to pass international standards testing of various products.


Testing scope

Electromagnetic compatibility (EMC)
Elevator energy efficiency(VDI 4707 and ISO 25745)
Restriction of the use of certain hazardous substances (RoHS)
Fire Test for Valves(API 607 / 6FA / 6FD)
ISO 15848-1 Industrial valves - Measurement, test and qualification procedures for fugitive emissions
EN 13501-1 Fire classification of construction products and building elements. Classification using data from reaction to fire tests
BS 6853 Code of practice for fire precautions in the design and construction of passenger carrying trains.
EN 50575 Power, control and communication cables. Cables for general applications in construction works subject to reaction to fire requirements.
BS EN 615 Fire protection. Fire extinguishing media. Specifications for powders (other than class D powders).
EN 3-7 Portable fire extinguishers. Characteristics, performance requirements and test methods, etc.
一级特一黄大片欧美久久| 国内精品久久久久精品97| 少妇无码一区二区二三区| 天天躁久久躁中文字字幕| 日本免费精品一区二区三区四区| 色噜噜人妻丝袜中文字幕| 被公侵犯人妻少妇一区二区三区| 久久久精品亚洲Av| av人摸人人人澡人人超| 中文字幕乱码一区二区三区麻豆| 日本免费一区二区在线| 国产尤物蜜臀AV| 国内精品久久久久精品97| 色熟妇人妻久久中文字幕| 加勒比五月综合久久伊人| 被下药强奷到舒服的视频| 国产精品视频一区二区三区分享| 欧美精品一区二区三区四区五区| 女女同性女同1区二区三| 欧美国产三级片久久高清| 老熟妇高潮一区二区高清视频| 把美女日到高潮喷水视频| 女同舔我下面直流水| 粗大长内射女人视频| 精品无码一区二区三区无码| 99久久九九爱精品国产| 亚洲国产精品伦理在线看| 欧美人人做人人爽人人喊| 亚洲欧美一区二区三区在| a一级毛片免费高清在线| 午夜场射精嗯嗯啊啊视频| 男生鸡鸡插进女生笑穴里| 在线观看国产日韩欧美一区二区| 免费男人和女人黄片| 男人扒开女人腿狂躁免费| 日韩欧美综合一二三区| 亚洲精品成a人在线观看| 亚洲精品国产综合一线久久| 青青河边草直播免费观看| 精品免费久久久久久久久| 韩国女主播一区二区视频|