日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    basic introduction

    In recent years, jewelry has gradually become one of the highlights of China's export products. European and American countries have imposed strict restrictions on hazardous substances in such products. In January 2010, some media reported that high levels of "cadmium" were found in children's jewelry sold in the United States. A large chain store immediately The product is taken off the shelf. On January 13, 2010, the United States Congress submitted a proposal on the "Children's Jewelry Toxic Metals Act" (H.R.4428), which prohibits the production, sale, or distribution of children's jewelry containing cadmium, barium, or antimony in the commercial field.

    Test items

    Total lead content: California Proposal No. 65, CPSC

    Total cadmium content: ASTM E1613

    Nickel release: EN1811, EN12472, EN12471

    Extractable heavy metal content: EN71-3, ASTM F963

    Phthalate Test: Phthalate

    Children's jewelry: ASTM F2923-11, H.R. 4428

    Physical testing (tensile force, torque, sharp points, sharp edges, small parts, etc.)

    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
    • BSCI certification

      BSCI certification

      BSCI certification is an abbreviation of BusinessSocialComplianceInitiative, and Chinese is called business social standard certification. BSCI is an organization that advocates the business community to abide by social responsibility. At the same time, it is a non-profit organization.

    • Enterprise CMA certification

      Enterprise CMA certification

      CMA, the name is \"China Metrology Accreditation\", the abbreviation of \"China Metrology Accreditation\" in English. According to the provisions of Article 22 of the Metrology Law of the People’s Republic of China: “The product quality inspection agency that provides notarized data to the society must be evaluated by the metrological administrative department of the people’s government at or above the provincial level for the capability and reliability of metrological verification and testing. Qualified.\"

    • CNAS certification

      CNAS certification

      Laboratory accreditation is a third-party certification that CNAS has the ability to perform specific testing and calibration work for testing and calibration laboratories.

    Jewelry testing

    In recent years, jewelry has gradually become one of the highlights of China\'s export products. European and American countries have imposed strict restrictions on hazardous substances in such products. In January 2010, some media reported that high levels of \"cadmium\" were found in children\'s jewelry sold in the United States.

    Get a quote
    亚洲熟伦熟女新五十路熟妇| 国产一区二区三区小说| 欧美人与动性xxxxx交性| 少妇乳大丰满高潮喷水| 无遮掩60分钟从头啪到尾| 97成人碰碰久久人人超级碰oo| 国产亚洲中文日本不卡二区| 99久久亚洲精品无码| 激情国产成人综合| 精品久久久久中文字幕一区| 亚洲欧美精品午睡沙发| 影音先锋啪啪av资源网站| 老外把我添高潮了A片| 丰满少妇好紧多水视频| 久久精品国产在热亚洲完整版| 被老头玩弄邻居人妻中文字幕| 国产精品久久久久久超碰| 国产亚洲人成a在线v网站| 国产av无码专区亚洲av琪琪| 久久天天躁狠狠躁夜夜躁2014| 男人J桶进女人P无遮挡| 日日摸日日碰夜夜爽视频| 国产91辛尤里在线观看| 又粗又黑又大的吊av| 欧美国产综合日韩一区二区| 色妞色视频一区二区三区四区| 亚洲av无码日韩av无码导航| 粉嫩小泬无遮挡久久久久久| 国产又猛又黄又爽| 日韩av无码一区二区三区不卡| 18禁黄污无遮挡无码网站| 99久久国产精品免费热97| 亚洲人成综合网站7777香蕉| 色婷婷久久久SWAG精品| 国产孕妇av| 激情内射亚洲一区二区三区| 玩弄美艳馊子高潮无码| 久久精品成人免费国产片| 国产大屁股视频免费区| 欧美精品偷自拍另类在线观看| 久久久午夜精品福利内容|