MaxColt (China) Limited(SHENZHEN XINSANWEI TECHNOLOGY Co., Ltd) established in 2000, is a leading high-tech enterprise integrated with R&D, manufacture, distribution and services; Specializing in the line of Integrated Security Products such as intelligent building Intercom systems, Door Card Access Controller, Intelligent Security Alarm System, Car Park Management Systems, etc relevant facilities for many years.

The products and solutions are popular both in the domestic and global market over 100 countries, mainly America, Europe, Asia, Africa, and the Middle East and gained good reputation in the field.

With "customers first" as management guide line, "keeping innovation, pursuing perfection" as business philosophy, "supplying excellent products, most favorable prices and best services for customers" is our goal; Over the past years, we have become a professional leader in the field of Intelligent products and assorted electromechanical products in China. The main products including intelligent building Intercom systems, Intelligent burglar Alarm Systems, Door Card Access Controller, Automatic Barriers & Car Park Management Systems. At present, SANWEI brand "SW-600series Intelligent building Intercom systems, SW-800series Door Access Control Systems" have owned independent intellectual property.