Bitumen Supplier in Cameroon — Penetration, VG and Oxidized Grades via Douala As a bitumen supplier in Cameroon, Zumrut International Kimya delivers penetration grades, viscosity grades and oxidized bitumen into Douala and Kribi in drums, jumbo bags and bulk. Cameroon is sometimes called Africa in miniature, and for binder selection that is not marketing — […]
