Olan International Limited founded in Hong Kong experts dealing with Business. We have over 10years' experiences exporting industrial saftety products and luxury goods. And the most professional is road safety service. our own factories mainland ...

AV-Precision Technology Limited, a Hong Kong based company with R& D team that has more than 10 years experience in designing comprehensive security systems to meet the needs of continuous 24-hour surveillance. Our vision is for continue being leading ...