J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Zhengzhou Kingorgchem Chemical Technology Co., Ltd.gy Co., Ltd.
Telephone0371-65511006 18625597674
Websitehttp://www.kingorgchem.com/
Aikon International Limited
Telephone025-66113011 13155353615
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 18021050169
Websitehttp://www.aladdin-e.com/