Founded in 2002 as the predecessor Beijing Econtrolnet Co., Ltd, Beijing Tengcon Technology Co., Ltd is a high-tech enterprise specialising in industrial automation products and systems. The company offers programmable logic controllers (PLCs), remote terminal units (RTUs), high-performance I/O modules, protocol converters, and signal isolators, with products such as the T-920 PLC (2AI, 18DI, 12DO) and STC-1 Micro RTU. Serving industries such as oil & gas, petrochemicals, steel, and power, Tengcon's solutions are used in major projects such as the West-to-East Natural Gas Transmission, the Beijing 2008 Olympic Games, and the Tangjiashan dammed lake. With annual sales of more than 10,000 units and over 100,000 products manufactured in a decade, Tengcon is a leading domestic player, holding ISO 9000 certification and a high-tech enterprise certificate. The company exports to markets such as Brazil and has a Hong Kong office set up in 2016.