unassembled

NIB-SEAL on sweat ball valves are shipped unassembled.

焊接球阀，NIB-SEAL时处于未组状态。

This kind of wagon has the characteristics of less tare weight, heavy capacity, high speed, more functions and easy to assemble and unassembled.

该车型具有自轻、载大、速度高、功能多、便于卸的特点。