Mech-Engineers (Zhanshi Gōngchéng) are the members of the technical assistance unit of the Mechanized Infantry sections of the Yu Jing armed forces and the Yīshēngs (Doctors) in the employ of the StateEmpire Army undergo military training just like any other Zhanshi. 
This box is a great complement to the Yu Jing force of the Operation Kaldstrom.
 

RECOMMENDED PRODUCT FOR INFINITY CODEONE
Box contains:
1x Mech-engineer
1x Zhanshi Yīshēng
2x Yáozăo