AST Lonex M4 AEG and Silverback PP-19 Video
Airsoft Taiwan just produced a new video and they present the new AEG from Lonex Airsoft. Whilst you are familiar with the parts for airsoft guns from the company, they have started releasing their own M4 AEGs called "L4s" one of which is the SLP Mod L4. There are still other Lonex L4 AEGs at their own website if you want to check them out.
Also in this video is the new Silverback Airsoft PP-19 Bizon AEG. If you want to get these, you can always check out the Airsoft Taiwan website.