• <rt id="6gwoo"><acronym id="6gwoo"></acronym></rt>
  • <li id="6gwoo"><source id="6gwoo"></source></li>
      中文版 - ENGLISH
     
    Top Products
    Contact Us
    Manufacturing base:
    NO. 16, Guangtong Road, Longquan Town, Zichuan District, Zibo City, Shandong, China
    Oversea Sales:
    Tel: 86-532-86959667 Fax: 86-532-86760085
    E-mail: sales@changyuintl.com
    Domestic Sales:
    Tel: 86-533-5860002、86-533-5860039 Fax: 86-533-5860296
    E-mail: gtsales@changyuintl.com
    Branch
     Zibo Guangyuan Biological Co., Ltd.

    Founded in October 1997, Zibo Guangyuan Biological Co., Ltd. (Hereinafter called “Guangyuan”) is the first company to produce long chain dicarboxylic acids from N-alkane in China, with fermentation technology from Chinese Academy of Science. Guangyuan is also the first company which realizes the industrialization production in this field. Guangyuan takes the principles of market-oriented, innovation-supported, environment-protected, integrity-based, and makes great progress in the types and quality of its products.

    Main products of Guangyuan on diacids are Undecanedioic Acid, Dodecanedioic Acid (DDDA), Brassylic Acid, Tetradecanedioic Acid, Pentadecanedioic Acid, Hexadecanedioic Acid, which have got the certificates of ISO9001:2008 and ISO14001:2004. Its diacids brand Guangtong is famous in diacids industry.

    The project of long chain dicarboxylic acids has been awarded by Shandong, Beijing and Chinese Academy of Science. Brassylic Acid was named as National Key and New Product by State Department of Science and Technology, Ministry of Commerce of P.R. China, General Administration of Quality Supervision, Inspection and Quarantine of P.R. China. Hexadecanedioic Acid invented by Guangyuan, was patented in July 2012. 

     
    Copyright(C)2015 , Shandong Guangtong New Materials Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
    久久久久久久久久久福利| 亚洲中文字幕久久精品无码VA | 久久久久久久久久福利| 亚洲精品无码久久久| 久久精品无码一区二区三区| 日本久久久久亚洲中字幕| 香蕉久久久久久AV成人| 中文国产成人久久精品小说| 奇米综合四色77777久久| 国产做a爰片久久毛片a| 久久成人午夜电影mp4| 国产精自产拍久久久久久蜜| 久久综合给久久狠狠97色| 伊人久久大香线蕉综合电影| 精品国产一区二区三区久久久狼| 人妻少妇精品久久| 久久精品亚洲视频| 国产一区二区精品久久凹凸| 国产一级做a爰片久久毛片男| 久久精品卫校国产小美女| 伊人久久中文大香线蕉综合| 一级做性色a爰片久久毛片免费| 久久水蜜桃亚洲av无码精品麻豆| 精品综合久久久久久97超人| 久久国产精品免费一区| 色综合久久精品中文字幕首页| 久久国产精品岛国搬运工| 国产精品美女久久久浪潮av| 99久久婷婷国产综合亚洲| 久久91精品国产91久久小草| 久久久久九国产精品| 久久毛片一区二区| 亚洲制服丝袜精品久久| 麻豆精品久久久久久久99蜜桃| 国内精品久久久久国产盗摄| 精品一久久香蕉国产线看播放| 亚洲国产成人乱码精品女人久久久不卡| 久久久久无码精品国产h动漫| 99久久精品免费精品国产| 色婷婷久久综合中文久久蜜桃av | 久久久精品人妻无码专区不卡|