Yubei

Chongqing Yulintao Optical Co.,Ltd., founded in the early 1980, is a professional optical glass manufacturer with more than 30 years of experience, it supplies colored and colorless optical glass, fil...

59-3,Jang-dong ,Yuseong-gu

Havit Information had founded in 1999 and listed KOSDAQ in 2005. The early time, Havit produced the optical pick-up components, which search for and control the information stored on an optical disk. ...