1. French Oak: High level of tannins; Aroma: Toast, Nutty, Chocolate, Pungent Spice, etc. 

                       Which is widely used in Beer, Wine, Brandy, White Spirit, etc.

2. American Oak: Faster extraction of compounds from oak; Aroma: Coconut, Vanilla, Butterscotch, etc.

                           Which is widely used in Beer, Wine, Spirits, etc.

3. Chinese Mongolia Oak/Japanese Mizunara: Medium level of tannins; Unique aroma: Sandalwood, Temple, and Oriental Spices, etc.           Which is popular in spirits industry.

4. Douglas Fir: Commonly used as Whiskey Fermentation Tank(Washback) with a tight texture that can maintain a stable microclimate inside the tank;

In wooden washback the heat never rises to a level that could threaten the yeast.

5. Steel and wood Tank: Retain the characteristics of Oak Barrels and take the advantages of stainless steel containers; Combine fermentation and storage functions with high utilization rate; Convenient operation; Wine fermented in Tank has a stable flavor and good consistency;