On 11/10/2012, HNX officially admitted the additional listing of DTC:

- Name of issuer: Viglacera Dong Trieu JSC
- Stock code: DTC
- Securities type: Common stock
- Par value: VND 10,000 per share
- Number of additional listed shares: 2,000,000 shares
- Total par value of additional listed shares: VND 20,000,000,000