Maturity and distribution
The mature period of oak trees is more than 50 years to hundreds of years, and it is widely distributed. The maturity of Chinese fir is 4-6 years, and the distribution range is narrow.
Texture and use
Oak is heavy and hard, suitable for furniture, but the price is higher; Chinese fir wood fiber is loose and can't be used to make furniture. Generally used for manufacturing pulp, blockboard, density board, particleboard, etc.
Door core material
Solid wood composite doors generally use Chinese fir as the door core, and Chinese fir is a relatively low-grade wooden door material.
Paint-free door material
If it is a paint-free door, oak is actually a kind of PVC skin.