Our factory would have no problem in turning out the 2000 units you asked for in your inquiry.
我们工厂完全可以生产出你方询价单中要求的2000件货品。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。