Tech-Bell have been involved with CCTV industry since 1998,we focus to supply security system dealers and security solution providers with high-end quality CCTV surveilliance caemras.Till today,we deliver CCTV surveilliance and security products to the USA,Europe,and Southeast Asia.More than 16 OEM clients in 30countries turn to us-a result of our quality,up-to-date design and the technology.Tech-Bell is an ISO-9001:2000 certified manufacturerand customer-driven organization.We follow a policy of "Total Quality Management"(TQM)that focuses on quality at every stage through a continuous improvement process.We also OEM and ODM for our customers,so if you have any requires please contact us.Thank you choose us!