中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

    Dezhou Changxing Chemical New Material Development Co., Ltd. was established in December 2002 with a registered capital of 12.111 million yuan. The company currently has total assets exceeding 86 million yuan and is the first high-tech enterprise in China specializing in the production of phosphorus-based copolymer flame retardants such as phenylphosphorus dichloride and diphenylphosphorus chloride.

    The company is located in Ningjin Economic Development Zone, Shandong Province, offering a superior geographical location and convenient transportation. It places great emphasis on human resource management and technological innovation, maintaining long-term technical cooperation with institutions such as Sichuan University, Nankai University, and Qingdao University. Having passed ISO9001 quality system certification, the company has a comprehensive quality assurance system and stable product quality. Its main products, including phenylphosphorus dichloride, diphenylphosphorus chloride, 2-carboxyethylphenylphosphinic acid, and flame retardant esterification liquid, are sold both domestically and internationally, receiving widespread acclaim from customers.

    General Manager Chai Jiezhang warmly welcomes domestic and international customers to collaborate, looking forward to working with both old and new friends to pursue mutual development and create a shared future.