Shenzhen city, inc., focuses on the field of industrial goods networking and has developed and produced equipment such as three-proof tablet computers, enhanced intelligence terminals and rfid handheld machines. Products have excellent waterproofness, dustproofness, shockproofness and are widely used in areas such as industrial control, logistics warehousing and biometrics. The company also provides blast protection equipment, industrial networking solutions and supports lora, zigbee communication agreements to meet the professional needs of high-risk industries。