Hello PGMJ, easy:
1. Jiefang CA15P3, a small COE serie, you see the FAW "twin towers" in the background.
2. Another prototype from FAW, Jiefang, I have to look in my archives for the exact name.
3. Longjiang LJ150, Heilongjiang Auto Works. Twin of the Huanghe trucks.
4. Dongfanghong 665, First Tractor Works in Luoyang, development of the Berliet based basic type.