WUGONG- world Qimu fourth bomb "East African black rosewood"
also known as purple sandalwood, extremely slow growth, yield extremely rare,
growth of more than 800 years before use, over a thousand years before they become useful,
volume ratio recognized 20% is one of the most precious and rare wood species on earth.
because of the low material extraction rate, coupled with the difficulty of processing, high tool wear,
general processing, extremely challenging, and rare, so the finished product is quite small, and is listed as a valuable log option