Tāmen fǎngzào le yī pī gǔdài bīngqì yòng yú zhǎnlǎn.
They made replicas of ancient weapons for the exhibition.
Tips
usage
仿造 means to copy or reproduce something after a model, without necessarily implying fraud. It contrasts with 仿冒 (fǎngmào), which carries the connotation of deceptive counterfeiting.