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Since ShenZhen SunYuan Technology passed the ISO9001: 2015 quality management system certification in 2018, it has been"Quality first and the supremacy of credibility "for our business purpose. To operationalize company quality policy, constantly reducing costs, improve and and improve product technology and quality as development goals. The company's leader attaches great importance to product technology and quality management, and re-hiring a full-time management team of ISO9001 quality management system. Through the Coordinated efforts by our each departments, we have passed the "Sira Certification Service ISO9001: 2015" quality management system certification by one-time.

Who are we?

Dongguan Mingdong Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of RF and microwave products. Located in the Jewelry Industrial Park of Changping Town, Dongguan City, our company leverages advanced technical expertise and manufacturing capabilities to deliver premium products and services to clients across global professional sectors.

Power & Grace specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Power & Grace uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Power & Grace advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.

Shinewave Technology Co., Ltd, Nanjing

TUNKIA Co., Ltd. is a unique company with top R& D strength in electromagnetics in China. Since its founding in 1998, Changed its name to TUNKIA in 2006. TUNKIA focus on electromagnetic measurement technology, gathered more than 360 personnel all over the world.

Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers, speaker system under the AiMEEK brand name, they also supply OEM/ODM components to many of the professional audio brands in the market today.

Shanghai PINYAN TECHNOLOGY M&C Co., Ltd, the earliest professional manufacturer integrated R&D, Production and sales in China, is specialized at manufacturing Rogowski coils, integrator and power meter, power quality analyzer with proprietary intellectual property rights. We also provide technical support and hardware equipment for comprehensive solutions of power monitoring, IOT, smart grid and cloud server.

Dongguan Merry Electronic Co., Ltd was established in year of 2013, 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.

Beijing Zhongping Technology Co., Ltd. Specializes in industrial automation and robot intelligent equipment and system integration services. As a long-term partner of Siemens, the company has been engaged in Siemens product and technology application services for many years and has rich industry practical experience and resource advantages. The company's main products cover the full range of PLC, frequency converters, servo motors, touch screens, industrial control computers, numerical control systems, DC speed regulation devices, instruments and meters, robots and spare parts, low-voltage electrical appliances, etc. In the field of industrial automation, with the business philosophy of striving for excellence, the company provides more thoughtful services to customers from products, solutions to services, to achieve more efficient and sustainable social development.

ZUOSEN is established in 2002 with ISO9001 Certificated, specializes in the research, development and production of hydraulic pumps, valves, motors and solutions, it is widely recognized by the global market. ZUOSEN provides reliable products like AR, PVS, PVB, A10VSO, A4VG, 90R, OMR, T6, SQP, VQ, IPV, 4WE, DG4V and solutions like power units, valve blocks etc.

Shenzhen Guoxin Automation Technology Co., Ltd. is a high-tech enterprise industrial control product sales. There are reliable teams with our company, for a variety of industries automation process control needs, to provide reliable, efficient services and automation overall solution. Shenzhen Guoxin Automation Technology Co., Ltd. Established in July 2013, the business scope including general management project is automation equipment accessories, instruments and meters, valves, switches, electronic products, digital products, communications products, computer software and hardware, security equipment, energy conservation and environmental protection products; Operating electronic commerce; Domestic trade, import and export of goods and technology. Electrical automation import and export trade for the main business. Since its establishment, Guoxin has been providing industrial automation services, providing customers with high-quality products and automation solutions. In the long-term business process, Guoxin has established good partnerships with well-known international manufacturers such as Siemens, Fairchild, Schneider, etc.

HAOMAI Electric Power Automation - Expert in Relay Testers & CT AnalyzersCompany OverviewWuhan HAOMAI Electric Power Automation Co., Ltd. (brand: Relaystar) is a leading manufacturer of relay protection testers, CT analyzers, and power testing equipment. Established in 1999, HAOMAI specializes in high-precision devices for utilities, substations, and industrial power systems.

Wisman High Voltage Power Supply Corporation was founded in 2007, it is the world's leading high voltage power supply, High voltage Micro-modules, High voltage Modules, X-ray Generator, High voltage Rack mount, X-ray Sources, High Voltage Amplifiers, manufacturer serving the medical, analytical, industrial, commercial, telecommunication and scientific communities. Wisman High Voltage's standard and Custom Application high voltage power supplies, High voltage Micro-modules, High voltage Modules, X-ray Generator, High voltage Rack mount, X-ray Sources, High Voltage Amplifiers, Their power range from 0.1 watts to over 200 kilowatts and voltages from 62 volts to over 750kV.

Yingjiao Electrical Co., Ltd., established in 1996, is a leading manufacturer and exporter of switching power adapters, linear AC/DC adapters, transformers, chargers, car chargers, power cords, tripods, etc. We can also design and manufacture power supply products with specifications according to the various demands of different customers.

Hi everyone, I'm from Shenzhen Bao'an Shajing Fangfengrui Instrument Equipment Business Department.

Zhuhai Dewin Communication Technology Co., Ltd is established in 2018. It is a leading provider of RF microwave power amplifier, signal jammer, drone jammer, drone detector, and other RF components. Our products incorporate LDMOS, GaN, LORA and Digital VCO technology, which are designed to meet the diverse needs of our clients. The products we offer cover a frequency range of 100-18000MHz, with power levels ranging from 10W to 200W, with the operating temperature range of -40 º C ~+85 º C. Each module we provide has undergone aging testing, meanwhile our modules are characterized by their small size, high efficiency, good stability, and excellent consistency.

Sinbosen Audio Equipment company limited, it's a Firm whose roots are deeply embedded into Guangzhou. Our Brand is Sinbosen. We make various kinds of professional audio equipment, such as switching power amplifier, Digital amplifier, DSP amplifier, Microphone and professional speaker.

Sanway Professional Audio Equipment Co., Ltd is one of the best PRO Audio suppliers in Guangzhou, China. We are a factory that specializes in research, developing, manufacturing, sales and technical and offer top quality products and service since 1997 and gained very high reputation at home and abroad.

Shenzhen Etenda Technology Limited is a high-tech enterprise specialized in research, development, manufacture, sales and service of wireless communication equipment, we dedicated to provide the overall solution for clients allover the world. We believe in providing solution to the needs rather than offering just a product!

Chengdu Royi Electronic Technology Co., Ltd. is a leading innovator in the field of radio frequency microwave and millimeter-wave technology. With a product portfolio that spans active, passive, and micro modules and a frequency range of DC-40GHz, we specialize in providing advanced solutions tailored to meet the demands of cutting-edge industries.

Hangzhou Zhonghe Electronic Equipment Co., Ltd. Has more than 30 years of industry experience in providing full system audio equipment. It is the pioneer and leader in the field of intelligent public broadcasting equipment and professional audio in China. It is a rare enterprise in China that produces public broadcasting professional sound in one line. It independently develops and produces dozens of series and more than 1000 varieties of products. So far, it has more than 2 million successful cases in the world.

ABOUT US: Founded in 2005, Ascsonic Audio is a global manufacturer of professional audio equipments, specializing in power amplifiers, line array speaker systems and plate amplifier module. With nearly two decades of expertise, our products are widely used in various Touring Performance, Theater, Stadiums, Nightclub, Auditorium; Conference Rooms, and other Professional Venues. And we have earned the trust of distributors, event companies, and installation contractors across Europe, North America, South America, and beyond. Every product we deliver carries CE certification, reflecting our commitment to quality, safety, and international standards.

SYPINN is a One Stop Solution RF Provider of telecom products, we are aiming to provide you the best custom services as well as the best reliable quality.

Shenzhen Qi Yin Electronic Co., Ltd was founded in Shenzhen China in 2005. Have own industrial park in Huizhou in 2018. Established a subsidiary in 2019. Huizhou Yinba Technology Co., Ltd., the same year established Hongkong Qiyin Electronic Company Ltd. 2020 sales exceed 30 million US dolla. Qiyin Operation Center is located at Futian district, Shenzhen. Company is specialized in the R&D, manufacturing and selling of microphone and headphones and Wireless Voice Amplifier. Products are focused on smart phone computer accessories and internet gaming.

A Leader in Drone Technology and Low-Altitude Defense Solutions

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.

Our Company is mainly engaged in wireless communication network coverage solutions of high-tech enterprises. The company implements radio-oriented development strategy based on radio frequency technology, independent research and development.

Beijing Jenerator Electron Tube Co., Ltd., is one of the biggest professional and sincere supplier, specializing in the export of electronic components. Its headquarter is located in Beijing, China, with a superior geographical location and convenient transportation.

Skyrann Audio is in Guangzhou, Company name is Guangzhou Skyrann Electronic Tech Co., Ltd. We make various kinds of professional audio equipment, such as switching power amplifier, Digital amplifier, DSP amplifier, Microphone and professional speaker.