Maobang congratulates Shenyang Jiayi Oil Mist Technology Co., Ltd. on obtaining Kazakh metrology certification and explosion-proof certification for oil mist sensors, Siemens S7-200 or S7-1500. Business scope of Shenyang Jiayi Oil Mist Technology Co., Ltd.: research and development, manufacturing of complete sets of oil mist lubrication equipment (manufacturing location: No. 11, Lane 3, Wenhua Road, Heping District, Shenyang) and construction of supporting electromechanical engineering; Computer software development and information system integration; Wholesale and retail of computer hardware and related technology transfer.