Fri_nex Environmental Engineering Pte Ltd is a waste management company in the business of recycling copper slug/iron oxide (a by product of iron/steel mills).If your company needs to dispose of copper slug or other waste material, you can contact us.Similary, we have treated iron oxide for sale. Besides iron oxide, our assoicated company in Indonesia has supply of timber, wood chip, bricks and concrete block.Interested pls contact our business development director, Ms Michelle Lek at Tel: 62354854 fax: 62343262