Han kwang opto corp is a leading first manufacturer of high quality CCTV lens products in Korea since 1989. We are manufacturing board & varifocal including various new products. Han-kwang certified company who own ISO 9001/ISO 14001 authentications. Our R&D ...

SMABO HITECH have been specializing in manufacturing Video Door phone and CCTV Equipment.Since establishing HI-TECH. LTD 1991, our products well recognized by customers throughout the world as product of exquisite hi-tech excellent function andGood ...