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Cheemi specializes in development and commercialization of monitoring & measuring solution innovation, with more than 100 workers, 5200 non-dust workshop, 12 years experience in current measurement, ISO, CE & RoHS certificated, one and half hours reach Shanghai port. This is how we keep good quality and competitive prices for global valued customers.

Welcome to Shenzhen Weijunrui Technology Co., Ltd - Your Premier Partner! Since its establishment in 2011, we have been committed to the research and development, production, and sales of core components for industrial automation, and are your trusted partner for signal processing and data acquisition solutions.

Founded in 2001, Changsha Jinma Measurement & Control Technology Co., Ltd. Was successfully listed on the National Equities Exchange and Quotations (NEEQ, also known as the "New Third Board") in 2017, with the stock abbreviation "Jinma Measurement & Control" and stock code 872288. It is a professional global provider of advanced system solutions and supporting products for engineering testing, construction monitoring, and structural health monitoring.

Shenzhen Chengsuchuang Technology Co., Ltd., founded in 2014 year, located in Longgang District of Shenzhen City of China. Line card including the fields of Consumer Electronics, Industrial Electronics, Auto Electronics PCB and PCBA project, provided one stop hardware supply solution from components and finished products. In recent years, with business expanding, we noticed there is a large increasing in the logic boards market, then we develop A Line card for logic boards business related with platform on Arduino, Raspberry Pi, Micro: Bit, STM32, NXP, TI, ST, Atmel, MicroChip. etc.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force. Unit F on 11/F of Infotech Centre. 21 Hung To Road, Kwun Tong, Kowloon. HongKong

Shenzhen Ke Zhi You Technology Co., Ltd. is a well-known exporter of China's educational Steam products. After three years of rapid development, the company has developed into a set of industry, technology, trade as one of the large high-tech group, we continue to educate DIY products in the top ten industry.

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.

Guangdong Jiepute Technology Co., Ltd., established in 2015, specializes in electronic temperature protection components. We focus on the R&D, production and sales of NTC thermistors and temperature sensors, which are extensively applied in automotive electronics, communication devices, industrial equipment, power supplies and consumer electronics.

Shenzhen Necom Telecommunication Technologies Co. Limited founded in 2010, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products.

Tianjin Guotai New Energy Technology Co., Ltd.

Fibos Measurement Technology (changzhou) Co., Ltd. is a specialty technology company focused on load cell manufacturing, sales, measurement solutions and technology support. With a long history of research in load cells and automated control systems, we have a team of professionals who supply a range of sales services to clients around the world.

Founded in 2003, WONDERWING (Hong Kong) Electronics Co., Ltd. And Shenzhen WONDERWING Electronics Co., Ltd. Are mainly engaged in IC trade in mobile communication, PDA and consumer electronic products. We have established good cooperation relations with various original equipment manufacturers. We have also participated in two PCB processing plants. For more than ten or twenty years, we have been focusing on consumer electronics product research and development and quality. In addition to first-class quality and competitive prices, we will also provide technical support when necessary. At the same time, we are working hard to establish a good cooperative relationship with other brands. In order to develop our company in the electronic industry, we will provide customers with the latest and most complete product information with the most professional services. Our marketing philosophy is "satisfaction, quality and assurance". Thanks to our perfect after-sales service and product quality, we have won a good reputation from customers

Cooltechx: Global Leader in Industrial & Precision CoolingCooltechx is a premier manufacturer of industrial air conditioners, energy storage thermal management systems, and precision cooling solutions. With 20+ years of innovation, 3 advanced manufacturing bases (Qingdao, Suzhou, Shenzhen), and exports to over 50 countries, we empower industries to optimize energy efficiency, ensure system stability, and support the global transition to a low-carbon future. Sustainability at Our CoreOur mission is to accelerate carbon neutrality through high-efficiency cooling technologies. We design products that integrate: Eco-friendly refrigerants (R134A, R513A, R454B)Energy-saving performance (up to 35% power savings)Clean energy compatibility (solar and wind ready)All core products are CE, UL, RoHS, ISO9001 certified and tested in our in-house enthalpy lab to simulate real-world performance under diverse environmental conditions. Energy Storage Thermal Management SolutionsTo meet the cooling demands of the fast-growing BESS (Battery Energy Storage System) industry, Cooltechx offers both air-cooled and liquid-cooled thermal management systems, specially designed for: Containerized lithium battery systems (LFP, NMC)C&I energy storage cabinetsOutdoor grid-connected unitsKey benefits: Intelligent temperature control from -20° C to +50° CRemote monitoring via RS485 / ModbusFlexible installation: Wall-mounted, rack-mounted, or integratedIP55/IP65 protection for outdoor deploymentsModels range from 1kW to 70kW+ cooling capacityOur systems are widely used in energy projects across the Middle East, Southeast Asia, and Europe. Precision Cooling for Data CentersCooltechx delivers mission-critical cooling for edge, modular, and hyperscale data centers, including: In-row cooling unitsRoom-based CRAC/CRAH systemsMini cooling units for edge computing and micro DCsRedundant N+1 configurationsWe also offer fluorine pump cooling technology, designed for ultra-high energy efficiency and low PUE. This solution significantly reduces power consumption in large-scale deployments while maintaining precise control over temperature and humidity (± 0.5° C / ± 5% RH). High-Precision Cooling for Sensitive ApplicationsWe also engineer custom precision cooling systems for: EV battery and inverter cabinetsMedical device enclosuresTelecom and 5G edge computing sitesIndustrial automation control panelsOur thermoelectric and inverter-based cooling units deliver: Compact sizes with high cooling densityLow-noise, low-vibration performanceDigital control and smart diagnosticsLong lifecycle (MTBF > 100, 000 hours)Smart Manufacturing + Global ServiceCooltechx's facilities operate under lean manufacturing and Industry 4.0 principles. We partner with world-class suppliers (Emerson, Schneider, Siemens, Infineon), and offer: OEM & ODM customizationGlobal delivery within 2-20 working daysOn-site installation, training & commissioning24/7 multilingual tech supportEvery product undergoes airtightness tests, full-process QA, and re-testing in our enthalpy lab, ensuring high durability even in desert, coastal, or high-altitude environments. Key Facts20+ years of engineering experience3 R&D + manufacturing bases in ChinaExported to 50+ countries100+ patents and proprietary technologiesUL, CE, ISO9001, RoHS certifiedIP54 / IP55 / IP56 / IP65-rated productsCooling capacity from 300W to 70kW+Cooltechx - Cooling Smarter. Powering Progress. Greening the Future.

SunArk Power is a leading global energy storage solution and service provider. The company specializes in residential, commercial and utility applications and delivers pre-eminent products and fit-for-purpose solutions. SunArk Power has 20+ experience producing energy storage products and 90, 000+ systems actively running in 80+ countries, enabling millions of people to enjoy reliable, accessible and clean energy.

The company was established in August 2003. The new factory in Dongguan headquarters has an area of more than 14, 000 square meters (will be relocated in 24 years). The old factory is about 7000 square meters. The company is a Chinese famous brand product, a city, province, and national high-tech enterprise, a small giant in the industry "specialized and special" enterprise, a national and provincial intellectual property demonstration enterprise, Dongguan City Material Property Measurement and Control Test Equipment Engineering Technology Research Center, Dongguan City Patent Cultivate enterprises, national secondary measurement certification, ISO9001 certification. We have won the first prize and second prize of the National Light Industry Science and Technology Award, the first prize of the Provincial Light Industry Science and Technology Award, the first prize of the Dongguan Division of the China Innovation and Entrepreneurship Competition, the member unit of the National Standardization Technical Committee for Shoemaking, and the National Leather Industry Standardization Technical Committee Member unit, member unit of the National Luggage and Bag Standardization Technical Committee, member unit of the Leather Machinery Sub-Technical Committee of the National Light Industry Machinery Standardization Technical Committee, and member unit of the Rubber Shoes Association Technical Committee of the National Rubber and Rubber Products Standardization Technical Committee. The company has more than 40 invention and utility model patents. Our company leads and participates in the formulation of 29 national and industry standards. The company has 26 provincial high-tech product certifications. The company mainly develops and produces shoe leather, bags, rubber products, stationery and other physical devices and instruments. The main customers are the national quality inspection system, enterprise laboratories, university research institutes, etc.

Hangzhou Huanyu Vision Technology Co., Ltd., established in July, 2019, with two-year rapid development, has already been an industry leading zoom camera module provider in China, and acquired the Certification of National High-tech Enterprise in early 2021. Huanyu Vision owns a professional technical support team and sales team with over 30 staff to ensure quick responses and create value to the needs of our partners. The core R& D employees come from top international well-known enterprises in the industry, with an average experience of more than 10 years.

Dongguan Mei ZhaoElectronic Co., Ltd was established in year of 2020, mainly engaged in design, development and sales semiconductors, main product line is Mosfet, Diodes, Schottky, Bridge Rectifiers, SIC, Power IC etc, which are all complied with RoHS and REACH standard. The factory has passed ISO9001, ISO14001, IATF16949 qualification. Our management team have over 20 years experience in this field which can meet your multifarious demands, we provide best quality products according to its superior R&D team, automatic production and strictly quality control system. In addition, based on complete product combination, Merry Electronic fully offer total solutions to our customers. We also offer OEM, ODM, and OBM service to many well-know companies around the world.

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.

Yatun IoT was founded in April 2015. As a National High-Tech Enterprise and Provincial Specialized, Refined, Characteristic & Innovative Enterprise, it integrates software platform development, as well as the R&D, production, sales and service of IoT smart hardware.

Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd., a specialized company with a solid 23-year history in gas detection instruments.

Shanghai Boqu Instrument Co., Ltd was established in 2007, and located in Kangqiao Town Pudong New Area Shanghai. It is the professional manufacturer of electrochemical instrumentation and electrode combine with the R&D, production and sales. The main products include pH, ORP, conductivity, ion concentration, dissolved oxygen, turbidity, alkali acid concentration and electrode etc.

As a trusted and professional global supplier specializing in electronic components and industrial control equipment, we have long been committed to delivering high-performance, reliable, and innovative industrial instrumentation solutions for global industrial enterprises. With profound industry accumulation and mature supply chain systems, we have built a solid market reputation in the field of industrial automation, serving diverse industrial scenarios and meeting the customized procurement and technical needs of global clients.

Shenzhen Huaxing Technology Co., Ltd., established in May 2001, is a premier designer and manufacturer specializing in the IT and consumer electronics sectors. We offer an extensive portfolio of storage and memory solutions, including a diverse range of Hard Disk Drives (HDDs), Solid State Drives (SSDs), DDR memory modules, and integrated circuits (ICs). Our advanced manufacturing capabilities support an annual production output of over 50 million units, underscoring our scale and reliability in the global marketplace.

Cold Valley Intelligent Technology: Leading Industrial IoT & Automation Solutions

Shenzhen Haiwang Sensor Co., Ltd. Established in 2004. We are speciliazed in developing, manufacturing and export of human detecting components, infrared/microwave modules and other sensitive components for more than 10 years. Standar-dized management, strict quality control, professional team, the operating principle of good faith, dedicated professionalism and full range of professional services. All of those aspects let Haiwang win good reputation among the customers. Also more and more customers come to support and trust us. This makes Haiwang continue to grow and develope.

Shenzhen RPD Sensor Technology Co., Ltd. is a high-tech enterprise of temperature sensors with R & D and production capabilities with headquarter in Shenzhen and production in Dongguan. RPD devotes itself in R&D, manufacture and sale a full range of temperature sensors (NTC, DS18B20, PT100/PT1000 RTD, thermocouples) and wiring harness with most cost-effective solution. With rich experienced engineering team and professional production team, we are capable to support our customers on ODM/OEM services. After several years' development, we've committed to improving ourselves focusing on customers' demand and making people's life safer and more comfortable.

Atech sensor co, . Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, pressure gauge, melt pressure transmitter, temperture sensor, pressure transducer, oil pressure sensor, Explosion proof pressure transducer, low-pressure transducer, Commerical Marine pressure transducer, Fuel pressure & Fuel tank pressure sensor, Liquidpressure sensor, ect. As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands. As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers. Best Value = High Quality Product + Competitive Price + Professional Service + Fast Delivery + Long time InsuranceAtech sensor is 100% vertically integrated with engineering, manufacturing, sales & marketing and customer service all supported from within our one facility. All critical components and steps in the manufacture, assembly and testing of a Atech pressure instrument are in our hands and are carefully monitored to ensure that we meet your critical specifications precisely and consistently.

Since its establishment in 1992, DABECO has been deeply rooted in the sensor industry and has established business relationships with numerous enterprises in Germany, Switzerland, and other countries. In recent years, DABECO has been committed to the research and production of various sensor probes. DABECO has now become a sizable manufacturer, serving users around the world with its high-quality products and services.

Shijiazhuang Tonhe Electronics Technology Co., Ltd. Was established in 1998. It is committed to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R& D, production, sales and service of high-frequency switching power supplies and related electronic products to provide customers with systems solution. The company was successfully listed on the Growth Enterprise Market in 2015 with the stock name "Tonhe Technology" and the stock code: 300491.

Jiangsu Datangweishi Technology Co., Ltd. is a company specializing in the production of network server cabinets, PDU cabinet sockets, KVM switches, integrated modular computer rooms, shielded cabinets, and comprehensive cabling products. Since its establishment, the company has been continuously researching and developing network cabinets, server cabinets, PDU cabinet sockets, KVM switches, integrated modular computer rooms, shielded cabinets, comprehensive cabling and other products that meet market demands. Guided by the concept of creating an excellent brand within the same industry, and taking customer needs as the pursuit of Datangweishi, the company adheres to the philosophy of taking conceptual innovation as the guide, strategic innovation as the direction, organizational innovation as the guarantee, technological innovation as the means, and market innovation as the goal.