ronghuazhonglu, beijing, China,100176
Our company are specilized in all kinds of optical instruments including lens, lens barrel manufacture and assembly, we also has completed technics such as mold design, machining, precision cutting surface finishing. capable most complex frame high ...
all kinds of optical instruments including lens, lens barrel manufacture and assembly, and we also has completed technics such as mold design, mold machining, precision cutting and surface finishing.
