digital level sensor2,000+ factories verified

Founded in 2001, Holykell is a High-Tech Enterprise integrating R&D, production and sales. The company have gathered a number of excellent domestic technical experts in various fields such as automation, electronics, machinery and computer. More than 80% of HOLYKELL employees have bachelor's degree. At present, HOLYKELL has more than 120, 000 customers worldwide and it's products are exported to 109 countries in Europe, America, Australia, Africa, SouthEast and Asia. In the latest petrochemical industry, our newest products have the advantages

Bluefin Sensor Technologies has been focusing on the R&D and production of level sensors since early 2016.

Huaibei Huadian Automation Technology Co., Ltd., Founded in 2015, we have built a reputation for excellence, innovation, and an unwavering commitment to our clients' success located in the China. Instrument Industry Belt, has established a 30000 square meter intelligent factory with dozens of production lines and an annual production capacity of over one million units. Water quality analysis instruments, recorders, pressure transmitters, signal isolators and other field instruments. We are the biggest manufacturer of industrial process automation sensors and instruments in China. Our instruments are exported to 119 countries worldwide. As a supplier to Fortune 500 companies such as Siemens, ABB, LUKOIL, WEG Group, Coca Cola, etc.,  Our Core Offerings: We specialize in a comprehensive suite of solutions designed to meet the evolving demands of the modern market. We have long been committed to providing accurate, safe, and stable instruments, and can provide OEM services with a customer-centric approach. We are already working extensively in the oil and gas, water and wastewater, chemical and petrochemical industries in more than120 countries and will take further efforts to get closer to customers and respond to their needs quickly and efficiently. We are also actively recruiting channel partners from various regions to expand our business and provide localized services, creating more value for our customers! Headquartered in Hefei China, our global reach extends to 120 countries, serving a growing international clients. We are constantly looking toward the future, investing in research and development to anticipate market trends and deliver the next generation of solutions. We can make sure our the quality of our products always be good and stable. We are very glad to offer you our products, and Hope to get the long-term cooperation with you.  

Hefei Rishang Electric Appliance Co., Ltd. Founded in 1999. Covering an area more than 53, 000 square meters, building area of 20, 000 square meters, The company is High-tech enterprises, specialized in development and production of micro motor, drain control motor, water level switch sensor, electronic wire harness, electronic switch and so on. Which used in home appliances products, such as Air conditioner, Washing machine, Refrigerator, Microwave oven, Computer, etc. We mainly offer support and supply to the major home appliance manufacturers, including Midea, Whirpool, Little Swan, Haier, Sharp, Daewoo, Toshiba etc.

Founded in 2004, Hefei WNK Smart Technology Co., Ltd is a hi-tech company specializing in different kinds of technologically-advanced and good quality sensor, transmitter and automation instrument. We devote to developing, manufacturing and selling of automation control system, providing our customers comprehensive fieldbus technical solutions and factory informatization construction.

Founded in 2007, Fujian Aotai Automation Equipment Co., Ltd. is located in the beautiful city of Fuzhou, Fujian Province. It is an enterprise dedicated to providing measurement and control instruments and equipment for "Intelligent Manufacturing", "Smart Water Affairs" and "Smart City". The company aims to become an enterprise with advanced technology, professional services and strong competitiveness within the industry. Since its establishment, it has adhered to the concept of "creating a century-old store and establishing a national brand", focusing on the research and development, production, sales and service of instruments and meters, and striving to create value for customers. In the first ten years of its entrepreneurship, the company mainly focused on industrial process control instruments. It has successively developed multiple series of products, including panel-mounted instruments, pressure instruments, flow instruments, rail-mounted instruments, level instruments, and analytical instruments. These products are widely used in industries such as metallurgy, chemical engineering, light industry, pharmaceuticals, environmental protection, and petroleum. In recent years, with the popularization and development of modern communication technology applications, as well as the increased management requirements in municipal administration, water conservancy, and agriculture, Internet of Things (IoT) instruments have begun to be promoted in these fields. The company has seized the opportunity to develop a series of IoT perception layer products for these fields, such as acoustic tomography river cross-section flow meters, road waterlogging meters, Doppler flow meters, radar surface flow velocity meters, paddy field water level meters, and underground combined water level meters. At the same time, these products have been rapidly promoted and applied in multiple provinces and cities, and have received favorable comments from users. The company's competitiveness lies in combining its many years of mature experience in industrial instrument design with modern communication technology, making the newly developed products have the characteristics of convenient debugging, low power consumption, strong stability, and high precision. Currently, the company has set up more than a dozen offices across the country, which is convenient for providing services to a large number of users nearby. The company always adheres to the core values of "customer-centric, based on strivers, striving for perfection, innovation-driven, and keeping up with the times". We will continue to forge ahead in the fields of IoT instruments and traditional industrial instruments, contributing the wisdom of Aotai.

Kangtong CO. Ltd, Founded in 2005 based in Shenzhen which is High-tech enterprise of China and concentration of sensor product that core competency in developing, manufacture and marketing supply with IATF16949: 2016 certified quality system and PPAP capability to offer high quality radar product especially in car industry to Cooperate with multiple original car maker for parking sensor ODM & OEM and succussed.

Through the accumulation of years of industry, we hope that through our efforts to bring China's good water treatment products to the world, China's water treatment environment, relatively more comprehensive, more severe. Therefore, we are confident to provide better service and product prices. We supply metering pumps, water quality instruments, flow meters, water pumps, etc. Our professional ability in the water treatment industry will also provide better technical support to our partners.

Nanjing Hangjia Electronic Technology Co., Ltd. Was established in 2015, it is a company specializing in the research, development, sales, and service of industrial automation and process control. Products covered pressure, temperature, level, flow, and other industrial measuring and process control. We are committed to strict quality control and considerate customer service.

Baoji Hengtong Electronic Co., Ltd. is located in Baoji City, known as the "Western Sensor Capital" in China. The company was founded in 1994 and has been a leading manufacturer of pressure sensors in the country. With a focus on pressure sensor production for nearly 30 years, it is also one of the earliest high-tech enterprises in China to integrate research, development, production, and sales of pressure sensors. The company currently has a factory area of over 7, 000 square meters and employs more than 150 staff. With an annual production capacity of 300, 000 pressure sensors, it has sales teams in Xi'an, Beijing, Guangzhou, and other cities. The products are exported to more than 50 countries and regions.

Firstrate Sensor Co., Ltd., is a hight-tech joint venture specialized in researching, manufacturing, and sales of sensors. Our products include Pressure Transmitters, Temperature transmitters, Liquid-level Transmitters, Wind Speed and Direction Transmitters, and Intelligent Control Instruments. They are widely used in the field of aviation, aerospace, national defense, military project, engineering machinery, railway, urban railway system, automotive electronics system, HVAC, air compressor, textile, petrochemical, coal mines and other industrial automation control.

Xiamen Xinde IoT Technology Co., Ltd. Was established in the Xiamen Special Economic Zone as a national high-tech enterprise that is R&D-driven and market-oriented, specializing in the development of technology-centric innovative products.

Anhui Tongyi Measurement and Control Technology Co., Ltd. Has been committed to providing one-stop solutions for sensors, transmitters, and measurement and control fields since its establishment in 2016. The company has always taken the concept of 'Integrity and Action' as its core, and is dedicated to offering customers comprehensive solutions. The company not only has a professional R&D team and manufacturing base but also  advanced technology from the United States, combining market demand, and has formed a number of product production lines in the field of industrial process control.

At Aoer, we specialize in the development, manufacturing, and supply of advanced measurement and control solutions for various industries, including automotive, marine, and power generation sectors. With years of expertise in sensor technology, we provide a comprehensive range of high-performance products designed to ensure optimal operation, safety, and efficiency in critical systems.

Jiangsu Jiechuang Science and Technology Co., Ltd. Was established in 2000 and is a professional manufacturer specializing in instruments and electrical products. The company is located in Jinhu Industrial Park, Jiangsu Province, China, covering an area of 100, 000 square meters, with a total of 582 employees and total assets nearing 800 million RMB.

Specialized in researching, developing, designing, manufacturing and selling the magnetic sensors, Hall IC, Hall effect sensor, Hall switch, Current sensor, Hall effect elements, Unipolar Hall switch IC, Bipolar hall IC, Linear sensors, Latch hall switch IC, Linear position sensors, Zero power magnetic sensor products. "Nanjing AH Electronic Science & Technology Co., Ltd" was establish in may 2003, by several Chinese senior experts of magnetic sensors. The culture is "science, development, service", our company applies itself in researching and manufacturing the sensors which owns China's independent intellectual property rights.

Jinan Deka Machinery Manufacturing Co., Ltd(hereinafter referred to as "Deka"), is a manufacturer with 120 employees, it was established in 2015, located in North of Budeng Road, Zhaijia Village, Bucun Subdistrict, Zhangqiu District, Jinan, Shandong, China. The workshops occupy an area of 3000 square meters. We have passed IATF 16949 management system certificate obtained 12 patents

Cixi flowmeter Co., Ltd. Was established in 2008 and since then has been dedicating itself to research and manufacture of various kinds of flowmeter. With sophisticated experience in technology and management, CIXI Flowmeter has made a name for itself as an excellent manufacturer of various kinds of flowmeter. In 2007, we have especially set up Shanghai Cixi Instrument Co. Ltd for handling the deals of Export.

Xian Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer, Mr Tian has more than 30 years experience on this area, and he is one of the engineers who introduced the Rosemount technology.

Ningbo Mingrui Zhongxing Electronics Technology Co., Ltd., is engaged in research, development, production, sales and service of level sensor, proximity sensor, flow sensor, industrial control sensor and hardware plastics for many years. These products are suitable for various industries including house appliances, machinery, electronics, metallurgy, power generation, shipbuilding, petrochemical industry, food, feedstuff, waste water/pure water process, plastics, rubber, cement, medicine, storage, chemical fertilizer, steel, mining, lubrication, air dust proof, temperature monitor, boiler, Dyeing and finishing equipment. For meeting different requirements of different environments, the products of each kind have many optional specifications and materials, and can be customized. We develop products together with customer to improve reliance, safety and Economy of them. We struggle to make each link perfect, and building our quality based on finished technology and the promise that keeps improving and uniform for customer.

Shenzhen Toprie Electronic Co., Ltd is a high technology enterprise engaged in manufacturing of smart environmental monitoring and data acquisition field.

Sibo. X industrial Co., Ltd is a industrial products manufacturer&trading company, mainly engaged in industrial measuring instruments and industrial equipment solution, such as pressure measurement, level leasurement, flow meters, loadcells, drying equipment, industrial automation equipmentand one-stop solutions. Products are widely used in oil andgas, water and wastewater, chemical and petrochemical, aerospace/Marine/military industry, machinery manufacturing, new material energy, HVAC/air conditioning, smart city, industrial interconnection and other fields.

Shanghai TM company, located in Shanghai Caohejing High-Tech Park, with registered capital of 30 million RMB, is one of China's earliest sensor product manufacturers. It has two state-level high-tech subsidaries: Shanghai TM sensor Co., Ltd and Shanghai TM automation Instruments Co., Ltd. TM sensor is specialized in the production and sales of sensor products. TM automation of instrument, intelligent manufacturing, IOT and other products.

Huazhong Industrial Control Intelligent Equipment Co., Ltd. is a high-tech enterprise specializing in the field of process automation. The company is equipped with an industry-leading flowmeter calibration system, a 16000 square meter intelligent production base, a 2500 square meter research and development laboratory, and 4 world-class SMT surface mount lines. The annual production capacity can reach 400000 sets of transmitters, 200000 sets of flow meters, 100000 sets of level measurement equipment, and 500000 sets of isolation module instruments. We have a professional team of over 300 people, providing process automation solutions for over 200000 enterprises in industries such as water and sewage, energy and power, chemical, life sciences, food and beverage, etc. We also offer digital services to small and medium-sized enterprises through our instrument cloud platform.

Xi'an Gavin Electronic Technology Co., Ltd., headquartered in the State-level High-tech Industrial Development Zone in Xi'an, is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and service of sensors, transmitters, and related instruments. Since its establishment, the company has consistently taken customer needs as its guide, talent development as its core, and industry progress as its foundation. As the company continues to grow, we actively expand our product lines, integrate industry resources, develop new e-commerce models, and collaborate with leading enterprises in the industry to provide high-quality products and solutions to customers worldwide.

Sichuan Weinasa Technology Co., Ltd is located in Mianyang---China Science and Technology City, which is a high-tech companywith independent legal qualification, specialized in automatic weatherstation, agricultural weather station, campus meteorological stationmeteorological sensors and other meteorological environmental equipment, the research and development, production andengineering installation of intelligent greenhouse control system, combining research and development production, sale, installation. Weinasa is a professional weather station manufacturer, and we also have various related weather sensors.

Shandong Renke Control Technology Co., Ltd. is a leading environmental monitoring high technology enterprise in China.

Hangjia Technology is founded in 2015. The company is headquartered in Nanjing and has R&D and manufacturing bases in Shenzhen and Wuxi. As a national high-tech enterprise, the company focuses on the R&D, production, sales and service of various sensors, measurement and control systems and the Internet of Things. The company adheres to the product concept of professionalization, customization and intelligence, from technical consultation, professional customization to final on-demand mass production, to help customers optimize the process, create and deliver value.

Anhui Qidian Automation Technology Co., Ltd., founded in 2011, is a high-tech enterprise specializing in industrial automatic and intelligent solutions. Our main products include signal isolators, intrinsical safety barriers, electrical transducers, pressure transducers, liquid level sensor, digital pressure gauges and so on.

Hunan Rika Electronic Tech Co., Ltd, located in Changsha, is a privately held sensor manufacturer and solution provider of environmental & Weather monitoring for 10+ years.