“合同发射器”

Zhongzhou Equipment Company's export-oriented grenade launcher, modified with information-based components from Wassau, is called the "contract launcher" by its owner.
中州装备公司的出口型榴弹发射器，采用沃索公司的信息化组件进行改装，被其拥有者称之为 "合同发射器"。