rs232 modem module100+ factories verified

Shenzhen Ex-link Technology Co., Ltd. is a team of experienced experts in the wireless communication industry for many years. With years of experience in IoT and broadband product development, we have extensive experience and understanding in application scenarios such as broadband and industrial IoT. The company focuses on R&D and sales of 4G/5G CPE, 4G/5G MIFI, 4G/5G outdoor router, 4G/5G home gateway, 4G/5G industrial router, 4G/5G edge computing gateway, DTU, WiFi router, AP and other terminals. At the same time, the company provides customers with cloud platforms such as remote equipment management and power application management, and provides customers with overall system solutions for slave terminals, edge computing and cloud platforms. Provide reliable data links and monitoring operation and maintenance management solutions for industrial equipment connection, security monitoring, power safety monitoring, energy efficiency management, power meter reading, energy station monitoring, broadband coverage, etc.

Trusted Solutions, One ZYD

Shenzhen Kingbird Network Technology Co., Ltd., Set up in 2008, It is a data communication system and AI provider specializing in wireless and network communication technology, and a national high-tech enterprise specializing in the development, sales and services of embedded operating systems, wireless data communication systems and related software. The company specializes in providing a full range of solutions for the Internet of Things technology, not only providing 4G DTU, 4G gateway, 4G module, 5G router, WiFi module, WiFi DTU, Lora module, wireless gateway, wireless router and other AI products(AI voice mouse), but also providing users with Internet of Things software and platform development (web platform, APP, applet, public account, etc. ). It has been officially recognized as a national high-tech enterprise and software enterprise for six consecutive years, and owns nearly 50 intellectual property rights such as invention patents, utility model patents and software copyrights.

Hangzhou Antin Power Technology Co., Ltd is located in Hangzhou, China, known as the "Silicon Valley of Paradise". Establishment in 2013. Antin Power is one of the leading manufacturers and suppliers of electricity meters and energy measurement solutions to help worldwide customers visualize all energy usage and improve productivity and energy efficiency. Over the years, Antin Power has developed a wide range of products including DIN rail energy meters, multi-function energy meters, prepaid energy meters, panel meters, etc., which could be widely used in the applications like energy management and monitoring system, sub-billing systems, electrical SCADA system etc.

Thingsend is a high-tech company, we design develop manufacture and sell wireless temperature&humidity sensors, wireless radio modems, 4G modules and offer OEM wireless solutions as well. Our products have been used for HVAC system, intelligent buildings system, livestock health management, warehouse management etc.

Shanghai FANTE Industry Co., Ltd.  About UsFounded in 2012 and headquartered in Shanghai, Shanghai FANTE Industry Co., Ltd. is a high-tech enterprise specializing in smart electrical solutions and IoT (ICT) applications. We are committed to driving digital transformation, energy efficiency, and electrical safety, empowering the traditional power industry through intelligent innovation.  Core BusinessOur main products and solutions include: Smart circuit breakersIntelligent lighting & streetlight control modulesSmart and prepaid metering systemsElectrical fire prevention and suppression devicesSmart HVAC and building energy-saving systemsIoT gateways and intelligent O&M platformsAutomatic transfer switchesThese solutions are widely applied in smart cities, factories, campuses, and communities, covering nine comprehensive systems such as intelligent fire prevention, smart HVAC energy management, intelligent substation O&M, smart electrical safety, tiered energy monitoring, BAS, and smart lighting control.  Technology & Certifications30+ patents (including 3 invention patents)50+ software copyrights and 80+ quality certifications1000+ engineering projects delivered successfullyFull compliance with CE and ISO9001 certificationsProprietary smart IoT platform developed in collaboration with Fudan UniversityOur patented smart circuit breaker integrates mechanical safety with digital intelligence, enabling reliable cloud-based power management.  Awards & RecognitionNational High-Tech EnterpriseShanghai SME of Science & InnovationGolden Finger Award for Outstanding Smart Lighting BrandNational Leading Enterprise in Intelligent Electrical QualityNational Quality Integrity Benchmark EnterpriseNational Advanced Enterprise in Quality CreditRecognized by the China Internet Association as a Digital Transformation Case EnterpriseContributor to Smart Community Emergency Response White Paper and Commercial Smart Lighting Design GuidelinesSelected as 2025 Shanghai SME Service Institution (Digital Transformation)Awarded by China Warehousing & Distribution Association as "Recommended Smart Logistics Brand" Team & R&DFANTE brings together experts in power systems, IoT, and cloud computing, adopting IPD and agile R&D processes. We have a 40+ member team in Shanghai, focusing on R&D, sales, and customer service. Our manufacturing facilities in Jinshan (Shanghai) and Wenzhou (Zhejiang) ensure high-quality production. A 50-member team in Tianjin is dedicated to smart power system development. Our CTO, Prof. Luo Yuling, has been ranked among the world's top 2% scientists for three consecutive years, leading multiple national research projects and holding numerous patents and academic publications.  Market ApplicationsFANTE's solutions have been successfully deployed in: Industry: ABB Shanghai Motors, BMW Shenyang Plant, Carrier Air Conditioning, and moreCommercial & public buildings: Offices, shopping malls, hotels, retail chainsPublic infrastructure: Schools, sports centers, healthcare facilities, smart streetlights, and EV charging stations Mission & VisionAt FANTE, our mission is to enable safer, smarter, and more sustainable energy systems: Empower energy service providers with advanced IoT solutionsDeliver digital energy management, analytics, and optimization for usersBuild a connected energy ecosystem integrating devices, service providers, and usersContribute to global carbon neutrality goalsFANTE - Empowering Energy with Intelligence, Driving the Future.

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

Yueqing Ruihua Cabinet & Whole Set Equipment Co., Ltd. Which is established in 2005. The company is located in Wenzhou, which sites on the coast line of Zhejiang province. Wenzhou is a modern and highly civilized city, famous for healthy industry environment. At the same time, the convenient transportation system will as well be a great advantage for any project involving international shipping and delivery.

As a leading global supplier of industrial automation and control equipment, Moore Automation has achieved steady growth over the past two decades thanks to its dedicated team, unwavering commitment, and continuous efforts.

About Amikon

Founded in 2004, specialized in R &D of Video & Audio Transmission, Caratar has grown to become a leading A. V. And HDMI accessories brand in China. Providing residential and commercial solutions with a wide range of products to meet any A. V. Needs. From HDMI splitters and HDMI extenders to HDMI switches, HDMI audio extractors to HDMI Matrix, or Video wall processors, we have an easy solution for any custom A. V application.

Dongguan Dengfeng Green Energy Technology Co., Ltd. Was established in September 2022, it has three manufacturing plants, namely Shenzhen Dengfeng (founded in 2009), Jiangxi Dengfeng (founded in 2018), Dongguan Dengfeng (established in 2022). Products include but are not limited to: New energy technology research and development, online and offline energy storage power supply, emergency power supply and lighting product research and development, solar and wind power related to household energy storage grid-connected or off-grid power supply technology research and development, production, sales and service, battery sales, portable outdoor power supply, communication UPS, uninterruptible power supply (UPS) emergency power supply (EPS) distributed energy storage power station, semiconductor optoelectronic products design and development, sales and service; Sales, investment, R&D, design, installation, construction and maintenance, operation of charging facilities for new energy vehicles, etc. The automated production equipment of Dengfeng factory is highly efficient, and the testing instruments are advanced and precise to ensure that each product is of high quality and stable and reliable. The certificates include ULETLTUVCBCEROHSMSDSUN38.3 and so on. Dengfeng has more than 3, 000 square meters of warehouses in Europe, and more than 30 people in the R&D, sales and service team in the Netherlands.

Fuzhou Vigkoo Intelligent Technology Co., Ltd. Office is located in the beautiful Wanfu Center of Fuzhou High-tech Zone.

Shanghai Newdi Navigation Technology Company Limited (NEWDI) was established in 2014. NEWDI is engaged in providing high-precision surveying and mapping instrument. Main product is GNSS receiver, total station, level, drones, 3D scanner, echo sounder and USV. Our products is professional for land survey, construction, marine survey, GIS and mobile mapping.

Fu'an Shaluo Electronics co. Ltd is a manufacturer of generator accessories, Our company has established a long term and stable business relationship with a number of domestic agents and retailers.

Atechi Power Machinery Co., Ltd. is a professional supplier of generator spare parts and accessories. We provide full range of spare parts and accessories for generating set which include control module, sensors, meters, fuel pumps, mains floating charger, relay, engine starter, DC alternator, solenoid, lock and hinges, soundproof material, ATS etc. In one word, Atechi aims to provide one-stop service for your generator spare part demand. The quality of our spare parts is very reliable because we have used original and genuine spare parts used by the original engine manufacturer. For instance, engine manufacturer A is using B Company's engine starter, then we buy directly from B Company for engine starter. We use some famous products such as Woodward stop solenoid, Fleetguard filters, Mitsubishi starter motor and alternator etc. We also are very familiar with quality parts and accessories suppliers in China. Engine brands we serve Those engine brands which we can provide spare parts service includes Cummins (DCEC and CCEC), LOVOL, Yangdong, Weichai, YTO, WEICHAI DEUTZ, Perkins, Volvo, etc. The staff of Atechi Machinery is honest, responsible and considerate. They are with good experience in generator industry, too. That's because Atechi people clearly understand that good service, good products and being innovative are the key factors to survive and develop in a time full of fierce and transparent competition.

RADIOFORCE TECHNOLOGIES Co., Ltd.

Shenzhen jizhuo technology Co., Ltd. specializes in the development, manufacture and sales of RF communication products, including antennas and fm transmitters, receiving modules, RF data radioo etc. Our RF data communication products are widely used in AMR automatic meter reading, wireless alarm and security systems, home automation, low power telemetry, wireless conference voting system, sports training and competition, wrieless POS and PDA wireless smart terminal, electronic bus station and intelligent traffic, RF transmitter wireless electronic display screenand queuing machine, wireless modem automobile inspection and four-wheel orientation, wireless sensor industrial wireless remote control and air conditioning remote controller, observation and predication of oil well and hydrological information, point to multi-point wireless network, wireless on-the-spot bus and automatic data collection system etc.

Guangzhou Prima Technology Co., Ltd is located in Guangzhou Science City. We are engaged in Design and Manufacturer of Inkjet Printer, Laser Marking Machine and Corollary Equipment. Over the past decade, we have been committed to offering a full line of stable and reliable product identification and traceability solutions for customers in food, beverage, daily chemical, pharmaceutical, hardware, electronics, construction materials, lamps, toys, packaging, printing and other industries.

HongKong C-Shine international Co., Ltd is a high-tech company in security area which have vast experience in OEM and ODM services. We specialize in developing, manufacturing and marketing wireless digital communications equipment and Remote Terminal (RTU) product, including digital radio and wireless data transmission module, antennas. Science and technology is our value. And our products apply to the fields of wireless data communications and industrial automation successfully.

Shenzhen JXYL Technology Co., Ltd. specializes in the development, manufacture and sales of RF communication products, including antennas and FM transmitters, receiving modules, RF data radio etc.

Shenzhen Hurry Up Technology Co., Ltd is specializing in the research, development, design and Manufacture of GSM modem, GPRS Modem, GPS module, GSM module, GPRS module, GPS Terminal WiFi module, bluetooth module; BGA equipments, BGA chips

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.

Founded in 2020, Hangzhou Yes New Energy Tech Co., Ltd. is specialized in Power generator parts, Air Compressor parts, Harvester parts, Aerial Work Platform parts and Transport Refrigeration parts. Our goal is to help clients success and make staff grow by providing right parts with affordable price and superior service.

We supply UPS power supplier and batteries of APC, Emerson, Santak, Panosonic, CSB, YUASA, LEOCH and etc. With high quality, favorable price, thinkful service, we are trying utmost to give you a pleasant and satisfactory experience of contacting with us.

RIEVTECH(R: Reliable, I: Innovative, E: Easy, V: Value-added), a sister company of

Xiamen SignShine Information Technology Co., Ltd.Is specializing in manufacturing and selling ceramic kitchenware, luggage&bags and communication terminals.Our factories are located in Quanzhou, Putian and Xiamen of Fujian province.

Welcome to Xiamen Hyper Electric Co., Ltd. We are one of top professional suppliers for generator related equipments based in China.

     Fujian kaiyue electronics Co., Ltd. Was established in 2006, the company is located in the eastern fujian motor, electrical city 

Shenzhen Xingkai Technology Co., Ltd. is a Global leading high-tech enterprise engaged in R&D development and production of RF wireless communication systems for the broadcast, public surveillance, and defense industries.