Deemal Enterprises Co., ltd is professional manufacture of consumer electronics porducts. Our main products are Digital Photo Frame, USB Microscope. And the other electronic promotion gifts as Clock, Radio... RD people will keep on working hard to develop ...

Costar Group is a leading manufacturer in optics fields, was founded 1968. She has eleven foreign join-venture company, service for Nikon, Olympus, Canon, Pentax etc. of optical components, instruments, binoculars, monoculars, telescopes, microscopes, ...