1, Haikou Langhe Yijia Trading Co., Ltd. was established on July 27, 20/kloc-0, located in Jinpan Road, Longhua District, Haikou City, Hainan Province. The CEO is Liu Hongdong, whose business scope includes mechanical and electrical equipment, automatic control equipment, computer software development, radio frequency identification of cloud platform, infrared sensors and so on. The infrared sensor of sluice is also within its business scope.
2. Haikou Zhengyiyuan Automatic Door Co., Ltd. is located in Shita Village, Shita Village Committee, qiongshan district City, Haikou City. Is a professional company engaged in importing infrared sensing automatic doors, revolving doors and intelligent door control products for many years, and can purchase infrared sensors for large gates.