Wenge, big trees, high 15 ~ 18m, diameter up to 1.0m, the genus of about 200 species, distributed in tropical and subtropical regions, the species often imported from the Congo, Cameroon, Central Africa and other regions, into the bulk. Bark: thickness 0.5 ~ 1.0cm, quality hard, relatively smooth, easy peel strips. Glossy; oil sexy. Straight texture; structure, rough and uneven; quality heavy hard; strength; large. Processing a little difficult, easy blunt saws; polishing slightly hard; nails must first punch; excellent bending properties. It decay. Slow drying, cracking slightly. Air-dry density 0.88cm3. For advanced furniture, sliced ??thin wood, interior decoration, flooring, joinery, sports equipment, sculpture and so on.