Shenzhen ZK-Link Technology Co., Ltd, a leading smart lighting control system supplier in China, established in 2011, focuses on Smart City--IoT Lighting Control & Monitoring Solutions. The company adheres to the idea of sustained innovation, steady management, and open cooperation. As a high-tech and innovative enterprise recognized and supported by the government, ZK-Link has a great independent R&D team of over 20 members based on its leading core technology. It has obtained many patents and qualifications, including ISO 9001, CE, FCC, RoHS, CQC. It is a specialist in the Design, Supply & Commissioning for large Lighting Control Systems locally, regionally and world-widely with a trained & dedicated staff. It is also a supplier of outdoor lighting control products (street lighting controllers, tunnel lighting controllers, building lighting controllers, stadium lighting controllers, lighting concentrators, photo-sensors, and software programmable modules) , offering a wide range of expertise in this specialist area that goes beyond the simple supply of goods.For various lighting system, we provide different solutions, like PLC(Power Line Communication) system and wireless end-to-end system like LoRa, NB-IoT communication, and RS485 tunnel lighting control system, which are all powerfully supported by our independent R&D products, including concentrator, smart lighting controller, sensors, LoRa controller, single lamp controller, smart street lighting controller, tunnel lighting controller and etc.Our market mainly covers China Mainland, and extends to South America, North America, Europe, Middle , Southeast Asia, India, and it is steadily growing now along with the increasing demand in IoT smart lighting field. The products and software systems have been successfully applied to a number of great lighting control projects both domestic and overseas, such as Hong kong-Zhu Hai-Macau Cross Sea Bridge, Guang Fu Expressway, Sichuan Yakang Expressway and etc.