Find buyers for cardboard scrap from Vietnam. cardboard scrap buyers from Vietnam who are verified by RIM will have a “RIM Verified” Icon. The Trust Mark for scrap buyers is an indication of the authenticity of the cardboard scrap buyer. Higher the Trust Mark, better the trust. You can sort the cardboard scrap buyers from Vietnam by Trust Marks, RIM Verified, Posted date etc. by selecting the appropriate field in the drop down menu.