Ningbo Keli Sensing Technology Co., Ltd. (hereinafter referred to as "Keli Sensing") was established in 1995. It is located in the investment and entrepreneurship park in Jiangbei District, Ningbo. It is currently the main leader in the research and development and promotion of IoT in the field of weighing. 1. It is also one of China's important weighing component manufacturing and sales companies and one of the pioneers in the industrial Internet of Things industry. Mainly develop and produce various physical quantity sensors, weighing instruments, electronic weighing systems, and industrial Internet of Things systems complete sets of equipment, providing non-stop detection systems, construction machinery Internet of Things (including dry powder mortar), unattended one-card, intelligent logistics equipment and materials Industrial IoT systems and scenario application solutions such as the Internet of Things, the Internet of Things of the Intelligent Consumer Equipment, the Internet of Things of the Animal Husbandry, the Internet of Things of the Vehicle, the Internet of Things of the Port Machinery and Marine Engineering Equipment, and the Internet of Things of the Internet of Things, and provide professional IoT software customization services. , has built a "Weighing Equipment Data Center", an Internet of Things Experimental Center and 26 laboratories.

Keli Sensor was listed in August 2019 (stock code: 603662), adopts a group management and control model. It is headquartered in Ningbo and has 12 functional departments, 10 major Internet of Things business departments and 21 subsidiaries, including 7 of which are all. The subsidiaries are Yuyao Pacific Weighing Engineering Co., Ltd., Anhui Keli Electric Manufacturing Co., Ltd., Ningbo Keli International Trade Co., Ltd., Ningbo Keli Internet of Things Co., Ltd., Zhengzhou Keli Sensing Technology Co., Ltd., and Shenzhen Kelichuan Gan Technology Co., Ltd., Shenzhen Keli IoT Technology Co., Ltd., and 11 holding subsidiaries are Zhejiang Ningbo Zhongke Big Data Technology Co., Ltd., Ningbo Wofu Internet of Things Co., Ltd., Guangdong Huake Ligu Technology Co., Ltd., Sichuan Yangheng Technology Co., Ltd., Shaanxi Yangheng IoT Technology Co., Ltd., Chongqing Keliyoujia IoT Technology Co., Ltd., Ningbo Kexuan Intelligent Technology Co., Ltd., Fuzhou Kejie Intelligent Technology Co., Ltd., Ningbo Keli Yunjing Technology Co., Ltd., Ningbo Han Ke Intelligent Equipment Co., Ltd., Shenzhen Jiutong IoT Technology Co., Ltd., and three shareholders are Yuyao Yinhuan Flow Instrument Co., Ltd., Henan Chicheng Electric Co., Ltd., and Ningbo Julong Machinery Co., Ltd.

Keli Sensing has seven major production bases, mainly distributed in Ningbo, Anhui, Yuyao, Zhengzhou and other places. The company currently has more than 2,400 employees, including more than 900 in Ningbo headquarters. It has formed a team of technical talents with superb skills, able to overcome difficulties and strong R&D capabilities. Ke Li always adheres to the human resources concept of "restraining people with strict systems and developing people with a relaxed environment", and strives to serve employees with the corporate culture purpose of "seeking practicality and innovation, serving employees, and achieving customers", and creates a diligent and energetic team. , a high-quality and high-level and a highly united workforce with potential to promote the company's strategic development.

The company strictly organizes production in accordance with OIML International Recommendations R60 and R76. The weighing sensors and electronic weighing instruments manufactured are dustproof, waterproof, corrosion-proof, explosion-proof, and lightning-proof. More than 50 weighing sensors and electronic weighing have been obtained. Instrument OIML certification, 7 types of weighing sensors NTEP certification, more than 50 types of weighing sensors Russian metrology certification, 10 types of weighing sensors Ukrainian metrology certification, more than 50 types of weighing sensors and electronic weighing instruments CE certification, etc. Currently, the group has 515 patents and 251 computer software copyrights. The main author drafted an industry standard "Weighing High Temperature Sensor" (QB/T 4929-2016) and a group standard "Steel Sensor", and participated in the drafting of three national standards "Weighing Sensor" (GB/T 7551-2008) , "Metal Adhesive Resistance Strain Gauge" (GB/T 13992-2010), "Dynamic Highway Vehicle Automatic Scale-Bent Plate Type", a national metrological technical specification "Calibration Specification for Portable Dynamic Axis Heavymeter" (JJF 1212-2008) , a national metrological verification procedure "Still Heavy Force Standard Machine Inspection Procedure".

In May 2017, Ningbo Industrial Internet of Things Industry Characteristic Park officially settled in Keli, introducing more than 260 platform enterprises in eight vertical industrial chains, including sensors, modules, materials, intelligent equipment, software, applications, services, and integration. At the same time, the park was It has obtained the national manufacturing "double innovation" platform pilot demonstration project and national co-creation space. Ningbo Industrial Internet of Things Industrial Park follows the leading enterprises + industrial chain + investment and financing platform + innovation platform + service platform, and develops towards the Internet of Things community town, reflecting high-end leadership, leading driving, full-chain integration, multi-dimensional integration, and open sharing. Characteristic industrial park. The Industrial Internet of Things Specialty Industrial Park is positioned to gather high-tech enterprises and talents in the industrial Internet of Things industry, establish a high-tech project incubation and industrialization service system for the industrial Internet of Things industry, build a co-creation space for Internet of Things applications, and provide lower-level enterprises to settle in the park. A shared platform that combines cost operation environment and production, education and research.