Shenzhen Zhongliangdun Industrial Co., Ltd. is a hi-tech enterprise converging technologies R&D, products sales, and engineering installation. Established in 1996, and with its headquarters in Shenzhen, the company has set up branches and offices in cities such as Beijing, Guangzhou, Changsha, Wuhan, Zhengzhou, Nanchang, Hefei, Hangzhou, Chengdu, Kunming, Xi'an, Shenyang, etc. The company boasts a large number of professional technical personnel with senior schooling backgrounds and senior technical titles, which ensures its powerful capability in product R&D and design; the company sent many of its employees to countries and regions such as Canada and Hong Kong to receive professional training, and thus introducing and learning advanced technologies from outside China mainland; the company employs the ISO9001 quality management system, and its products have all passed the appraisal by the State Bureau of Technical Supervision, and across-the-board quality check by the Quality Check Center for Security and Police-Purpose Electronic Products under the Ministry of Public Security.

The major products dealt in by Zhongliandun Company as an agent cover the following aspects:
MultiVision Digital Network Video Monitoring System
Japan AKITA CCTV series
Australian IR access control system