Describing itself as a "defense land system specialist", Chaiseri designs, manufactures, and upgrades armoured vehicles, their subsystems, and track systems.

[4] Besides being a supplier to the Royal Thai Army, the company exports to 37 countries including several Arab states, Argentina, Bangladesh, Chile, Denmark, Malaysia, Norway, Pakistan, Philippines, Sweden, Russia, Singapore, Ukraine.

[2] Chaiseri got its start as a specialist in rubber and rubber-to-metal bonded parts such as torque rods and rubber bumpers for commercial cargo trucks.

Chaiseri's business revolves around three product lines: its armoured defense vehicle, "First Win 4x4" (FW4x4).

[5] Chaiseri Run-Flat System permits wheeled vehicles with damaged tires to run 150 kilometres while flat.