As a major security solution provider and manufacturer, smart security(HKSS) has work in this line for six years. We supply both OEM and ODM for client over world, now 85% of our products was export worldwide each year. The best material buying team to ensure the low cost and good raw material, good on-line production control procedure and strict QC standards insure the best quality That is way we are supplying such good quality with a really cheap and reasonal price. Contact us now to learn more about our capabilities.