1. Mu Baijian

Bai Jianmu is also known as the "axe terminator". [White] This kind of wood is the hardest wood in the world, not one of them. Trying to nail this wood is asking for trouble, which shows how hard this wood is. It is often used in large-scale construction projects or as railway sleepers. Baijianmu also has certain medicinal value, and a medicine can be extracted from its bark to treat asthma.

2. Guaguamu

Guaiac is also one of the hardest woods in the world, mainly growing in Central America and northern South America. This kind of tree was originally used as an ornamental tree, but later it was found to be very hard. It can be used to make butcher's chopping boards and pulley devices, and also to build ships. Guaiaceae also has certain medicinal value, and is also called "the tree of life".

3. Acacia minor

Robinia pseudoacacia is a hardwood grown in Australia. This kind of wood is so dark that many merchants use it instead of ebony. It can not only be used to make wheels, paddles and farm tools, but also be used as raw materials for condiments, with many uses. It is said that when sawing, it will give off the fragrance of violets.

4. One of the two spiny leguminous shrubs in arid areas.

This tree mainly grows in southern Africa, and [white] is also a rare wood, but the seeds grown on the tree can be eaten by wild camels or giraffes. Its peculiar appearance and hard texture are highly protected by the local area.

5. serpentine wood

Serpentine mainly grows on the northern coast of South America, and it has a very unique and charming texture, so it is named because it looks like snake skin. The diameter of trees is generally 15cm to 30cm, and the demand is large but the output is small, so the price is very high. Because the material is small, there are usually many small pieces on the market.

6. Wax wood

The appearance of this kind of wood is extremely beautiful, like an olive-green bird feather. This kind of wood polishing will present a very high natural luster; Mainly grown in Central America and South America, furniture made of this wood is also available in the market. When I saw it for the first time, it was beige and sometimes green. Oil is sufficient, the density is high, and the price is not expensive. It is a wood with high cost performance. However, it is also listed in Appendix 2 of CITES and requires an endangered certificate to trade.