| 12. | DISTRIBUTION AND SELLING EXPENSES |
| Year ended December 31, | |||||||||||||
| 2017 | 2016 | 2015 | |||||||||||
| Rental | 21,527 | 30,225 | 508,039 | ||||||||||
| Depreciation | 2,680 | 490,527 | 1,239,644 | ||||||||||
| Labor | 258,233 | 211,274 | 739,789 | ||||||||||
| Subsidy to distributors | 773,238 | 910,537 | 1,061,685 | ||||||||||
| Promotion | 32,216 | 137,210 | 899,664 | ||||||||||
| Advertisement | 1,591,742 | 1,554,023 | 1,702,863 | ||||||||||
| Others | 585,744 | 272,214 | 469,572 | ||||||||||
| 3,265,380 | 3,606,010 | 6,621,256 | |||||||||||