- K&A Co., Ltd.
- Hydroquinone, MgO, MgOH2, Diatomite.
- Address:#526 Industry and Education Co-Research Center, Chonnam Univ.,Dunduh-Dong, Yosu Jeollanam-do 550-749 Korea
- Dandong Xingke Mineyal Co., Ltd.
- Magnesium hydroxide, MgOH2, magnesium oxide, Mg.
- Address:No. 30-18,Fenghuang steet.Fengcheng Dandong Liaoning 118100 China
- Resources Bank Co., LTD
- used cars, plastic bag, cadmium, toothpaste, cometics, mgoh2.
- Address:South Korea
1