<sub id="u7b13"><p id="u7b13"></p></sub>
    <p id="u7b13"><menu id="u7b13"></menu></p>
    <p id="u7b13"></p>
      <cite id="u7b13"></cite>

        久久精品夜色国产亚洲av,色狠狠综合天天综合综合,四虎国产精品成人免费久久,亚洲自拍偷拍福利小视频,一区二区三区黄色一级片,国产精品自拍一二三四区,国产在线视频不卡一区二区,91久久亚洲综合精品成人
        Hotline:400-880-1556

        English




        basic introduction

        Toxic and harmful substances such as soluble heavy metals, free formaldehyde, formaldehyde, VOC, benzene, toluene, xylene, ethylbenzene, vinyl chloride monomer, styrene, ammonia, radon, etc. in the environment of people's daily work and life will affect the human body. Serious health effects.

        The decoration pollution that is harmful to health in recent years has caused an increase in the morbidity and mortality of the sex population. The reason for this is that the building materials used in newly built and reconstructed buildings contain hazardous substances and are seriously exceeding the standards. Poor construction quality will cause air pollution in the indoor environment. If it contains soluble heavy metals (lead, cadmium, chromium, mercury), free formaldehyde, formaldehyde, total volatile organic compounds (VOC), benzene, toluene, xylene, ethylbenzene, vinyl chloride monomer in the environment in which people work and live , Styrene, ammonia, radon and other toxic and harmful substances, the light will cause the body to cause pharyngitis, chest tightness, dizziness, vision loss, skin blistering and so on. Stress will affect the body's immune system, cause blood diseases and other serious diseases, and even cause cancer.

        With the help of equipment, scientific talents and technology, ZRLK Group provides environmental testing services for enterprises, social groups, organizations, government departments and other social sectors.

        Environmental testing items

        Air monitoring in public places

          Office air monitoring

          Indoor decoration air   monitoring

        Air monitoring in the car

          Tracking monitoring throughout the home decoration

        Office air monitoring

        Performance appraisal and   monitoring of decorative materials

          Marble radioactivity monitoring

          Project reporting (air   quality inspection and acceptance of newly built buildings and fully   decorated buildings)

        Our advantage

        1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

        2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

        3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.


        Online consultation

        Online consultation

        Recommend
        • Smart Ring KC Certification

          Smart Ring KC Certification

          KC certification is a mandatory certification system implemented in South Korea for electronic and electrical products, aimed at ensuring that products comply with South Korea\'s safety and electromagnetic compatibility standards. The Korean market has strict quality control over imported goods, and smart rings, as electronic products, must pass KC certification in order to be legally sold in the Korean market.

        • Smart Watch CE-RED Certification

          Smart Watch CE-RED Certification

          CE-RED certification is a mandatory compliance requirement of the European Union for wireless devices. For smartwatches with wireless functions such as Bluetooth and Wi Fi, its importance is mainly reflected in the following three aspects.

        • Smartwatch ANATEL certification

          Smartwatch ANATEL certification

          The Brazilian market has enormous potential, but in order to successfully enter, ANATEL certification is an essential first step. As an authoritative standard certified by the Brazilian Communications Authority, ANATEL certification is not only a guarantee of product quality, but also a legal entry threshold into the Brazilian market.

        Ambient air detection

        Toxic and harmful substances such as soluble heavy metals, free formaldehyde, formaldehyde, VOC, benzene, toluene, xylene, ethylbenzene, vinyl chloride monomer, styrene, ammonia, radon, etc. in the environment of people\'s daily work and life will affect the human body. Serious health effects.

        Get a quote
        主站蜘蛛池模板: 国产二区三区不卡免费| 亚洲精品麻豆一区二区| 天堂а√在线地址中文在线| 91精品国产自产在线蜜臀| 精品伊人久久久香线蕉| 亚洲精品日韩精品久久| 亚洲v欧美v日韩v国产v| 亚洲熟妇AV午夜无码不卡| 兴山县| 国产精品揄拍一区二区久久| 亚洲午夜成人精品电影在线观看 | 亚洲久悠悠色悠在线播放| 日韩精品 在线 国产 丝袜| 国产av熟女一区二区三区| 久久96热在精品国产高清| 亚洲色拍拍噜噜噜最新网站 | 成人午夜大片免费看爽爽爽| 偷看少妇自慰xxxx| 国产午夜福利小视频在线| 日韩乱码人妻无码中文字幕视频 | 99中文字幕精品国产| 日本无码欧美一区精品久久| 亚洲欧洲一区二区精品| 国产午夜福利短视频| 东京热人妻中文无码| 国产第一页浮力影院入口| 8x国产精品视频| 性欧美暴力猛交69hd| 超碰人人超碰人人| 国产午夜一区二区在线观看| 1区2区3区4区产品不卡码网站| av色国产色拍| 无码av中文字幕免费放| 久热这里只有精品视频3| av在线播放日韩亚洲欧| 一卡2卡三卡4卡免费网站| 漂亮人妻被中出中文字幕| 国产一区二区精品偷系列| 人妻系列无码专区69影院| 久久er99热精品一区二区| 成人一区二区三区在线午夜|