variable frequency power supply2,000+ factories verified

Sophpower was found in March 2006 and has been successfully designing and manufacturing the variable frequency converter, 400Hz state frequency converter, voltage and frequency stabilizer, DC power supply.

Jethley Electronics (Suzhou) Co., Ltd. is a national high-tech enterprise specializing in the independent R&D and production of AC/DC power supplies, AC/DC loads, and system integration services, possessing independent intellectual property rights.

Shandong BOS Energy Technology Co., Ltd. (hereinafter referred to as BOS) specializes inpower equipment research and development, manufacturing, sales and service as one of the high-tech enterprises in Shandong Province, For over 20 years, with power electronic conversion technology as the core, committed to providing customers with the best system solutions. The products include AC/DC testing power supply, AC/DC power supply, shore power and new energy product series. The production base covering an area of 20000 square meters, built in 2010, with annual output value of more than 100 million yuan, BOS is one of the most influential"leading enterprises" among China's high-power power manufacturers.

Hunan echwater technology Co., Ltd. Has been focusing on providing environmentally friendly water treatment solutions for customers. The company focuses on core products: Hypochlorous acid generator, atmosphere water machine, pure water machine, variable power supply, alkaline water generator, hydrogen-rich water generator, sodium hypochlorite generator, electrolyzer etc.

We are a professional power supply product provider, specializing in customized power solutions that cater to diverse customer needs. Our core product range covers transformers, high-precision DC power supplies, load meters, communication power supplies, and frequency conversion power supplies, all of which are tailor-made to meet the specific requirements of different industries and application scenarios.

Located in Foshan City, Guangdong Province, with its superior geographical location and convenient transportation, Foshan Lihao Power Technology Co., Ltd. is able to serve domestic and international customers in various industries with high-efficiency corporate logistics.

IDealTek Electronics Co., Ltd. is committed to being an ideal provider of power solutions, including DC power supply (Switching mode & Linear mode), AC power supply, High voltage power supply and capacitor ripple current test power supplies, benefiting from years of experience in designing and manufacturing power supplies, we can also undertake the needs of custom power projects.

Mingri Electric Co., Ltd. is a leading high-tech enterprise specializing in the design, manufacturing, and innovation of high and low-voltage switchgear, power transmission and distribution systems. With a comprehensive product portfolio including fully insulated gas-filled cabinets, intelligent solid-insulated ring main units, outdoor high-voltage cable distribution boxes, compact substations, circuit breakers, and surge protection devices, we deliver reliable power solutions that meet the most stringent industry standards. Our product range encompasses YBW compact substations, KYN61-40.5/KYN28A series high-voltage switchgear, XGN/HXGN fixed switchgear, SHSRM/SHSG ring main units, and MNS/GCS/GGD/XL low-voltage switchgear - all rigorously tested to ensure superior performance and durability. With decades of experience in the power industry, we've established strong partnerships across transportation, utilities, and construction sectors, providing tailored solutions for diverse industrial applications. Our commitment to technological innovation drives continuous product optimization, integrating smart monitoring capabilities and eco-friendly designs to meet evolving market demands. Supported by a global logistics network, we guarantee timely delivery worldwide, while our expert technical team offers comprehensive after-sales support and maintenance services. Adhering to our "Quality First, Customer Supreme" philosophy, Mingri Electric combines engineering excellence with customer-focused solutions, delivering safe, reliable power distribution equipment that meets international certifications including IEC and ANSI standards. Our ISO-certified manufacturing processes ensure consistent quality, while our R&D investments focus on developing next-generation solutions like SF6-free switchgear and smart grid technologies. From initial consultation to commissioning and beyond, we provide end-to-end project support, helping clients optimize their power infrastructure with efficient, sustainable solutions. As we continue to expand our global presence, Mingri Electric remains dedicated to advancing power distribution technology while maintaining the highest standards of quality, reliability, and customer service that have made us a trusted partner in the electrical industry.

Hebei Tongke Electric Appliance Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design, research and development, production and sales of high-power switching power supplies.

Jinan Xinyuhua Energy Technology Co., Ltd. Firmly grasps the direction of "low-carbon economy and green development", takes "building a first-class new energy enterprise in China and even in the world" as its strategic goal, carries forward the enterprise spirit of "harmony, innovation and pursuit of excellence", strives to contribute clean energy, improve the power structure and fulfill social responsibility. A multi field, large-scale and powerful new energy leading enterprise constantly shows its unique charm and elegant demeanor. It will continue to serve the country with industry, repay the society with value, base on the market with reputation, and gallop into the future with strength, and advance hand in hand with all walks of life to create brilliance together!

Hebei Hanguang Electrical Equipment Technology Co., Ltd. is a high-tech enterprise in China dedicated to the integrated R&D, manufacturing, sales, and service of power equipment. With over two decades of deep expertise in the power electronics industry, the company centers its operations on power electronic conversion technology, consistently striving to provide global clients with high-quality, comprehensive, and systematic power solutions.

ZHEJIANG SHUNTONG Co., founded in 1995, with more than 35000M2 manufacturing space, 650 employees, it becomes one of the leading manufacturer of industrial electric product in China. As well as one of the earliest factories in the line with nearly 20 years experience in producing and developing for electric equipment.

Jinan Deming Power Equipment Co., Ltd. is a high-tech enterprise focusing on research, production, sales and service of renewable energy power products such as wind energy and solar energy. With a high reputation in the Association and participates in the formulation of international standards for small wind turbines. It is a designated product for state aid for foreign projects and 90% of products are exported.

Shanghai Wenlida Technology Co., Ltd. is a modern enterprise founded in 1995, which set in the integration of R&D, production and sales on Regulated Power Supply, EPS Emergency Power Supply and Harmonic Suppressor. With more than 25 years' development, the company has become a renowned top manufacturer in this industry.

EP Hipot Electric Co., Ltd has rich experience of more than 20 years in R& D, manufacturing and marketing of market-leading high voltage test equipment. Passion, knowledge, expertise and technology drive us to help our customers all over the world, to maintain their assets value, improve their reliability, reduce maintenance costs and extend working life of the electrical systems and related apparatus. Our application specialists also perform on site trainings and workshops in order to share our knowledge with customers. We maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment. We are proud of the work we do to help utilities and electrical contractors keep the lights on and protect critical loads all over the world.

Shenzhen Xin Poming Power Equipment Manufacturing Co., Ltd was established in Guangdong Province of China in 2007. We manufactures and sells voltage regulators(Servo type, SCR type, SBW type), transformers(Dry type, oil-immersed type, HV, LV), UPSs, Variable frequency power supply, DC power sources and other power products and can provide systemic power solutions for customers all over the world with it's a complete product list.

What do we do?

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 supplies different kinds of products. High quality and favorable price. We're pleased to get your Inquiry and we will come back to as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.

VILLE INDUSTRY Co., Ltd...Our company is a specialized technology engineering company devoting to the development, design and manufacturing of steelmaking equipments, such as electric arc furnace, ladle refining furnace, submerged arc furnace, ladle, scrap basket, electro-slag furnace, crane, furnace parts and metallurgical engineering project. Its main business is the manufacture and sale of machinery and equipment used in the production of steel making, primarily including refining furnaces, electric arc furnaces, submerged arc furnaces, crane and certain equipment for energy conservation and environmental protection purposes.

Suzhou Lingfran Electric Co., Ltd is a integrated enterprise with R & D, manufacture, sales and service of automatic voltage stabilizers / regulators, dynamic voltage restorers, variacs, transformers, reactors, static frequency converters, gound power units, shore power converters, DC power supplies, uninterrupted power supplies, UPS maintenance bypass cabinets, static var generators, active harmonic filters and medical isolated power supplies, etc.

Hubei Hengjin Numerical Control Equipment Co., Ltd. is a core subsidiary under Heatking Induction Technology (Shiyan) Co., Ltd. Focusing on the R&D, manufacturing and sales of intelligent heat treatment equipment, we rely on the parent company's strong technical strength and industrial resources to carry out global market business and product promotion.

Our company provides a variety of products to meet your needs. Since its inception, the company has always adhered to the "quality first, customer first, reputation first" business policy, dedicated to meet the potential needs of customers. Through independent research and development system and continuous innovation, we provide efficient and energy-saving mechanical equipment for the public. At present, our products are widely used in many fields, including photothermal curing industry, environmental protection industry, manufacturing industry and other industries. Since its establishment, it has always maintained a high-speed growth trend in the industry. In recent years, with the increasing popularity of the company, the company actively breaks through the geographical restrictions of Dongguan City, layout the national mechanical equipment market, constantly improve the customer service network, and actively carry out the international marketing strategy by participating in the international market. As a professional mechanical equipment production and sales enterprise, our products and application solutions are selected and recognized by many domestic brand cooperation enterprises. It is our ultimate goal to become a world-class machinery and equipment supplier. Through brand-new technology and products, we can provide more environment-friendly and energy-saving equipment and machines for enterprises in all walks of life. Zhentai is always paying attention to the cutting-edge development and application of world science and technology research, and practicing brand belief and commitment with expert vision and spirit. Zhentai is committed to building the leading brand of machinery and equipment in China, to be the leader of the industry. With the continuous development of economic globalization, our company is willing to sincerely cooperate with enterprises from all over the world to achieve a win-win situation.

Wuhan Kaidi Zhengda Electric is a high-tech enterprise integrating research and development, production and sales of power testing equipment, instruments and power online monitoring systems. Provide a variety of types of high-tech power testing products, and in high voltage testing to provide users with a full set of electrical test equipment, to solve the power equipment supporting solutions.

Wuhan Hertz Power Equipment Co., Ltd. Company Profile

Shenzhen Xingzhongke Power Technology Co., Ltd., founded in 2010, is a national high-tech enterprise specializing in high-performance power solutions, with strong technical strength and independent R&D capabilities. The company has obtained multiple Invention Patents and Utility Model Patents issued by the State Intellectual Property Office, which fully demonstrates our strong technological innovation strength and independent R&D capabilities. Certified with ISO9001 quality management system, we focus on the R&D, production and sales of Xingzhongke brand medium & high-power adjustable switching power supplies, programmable DC power supplies, switching power supply modules and intelligent battery chargers, adhering to the core concept of "technology-driven innovation".

Yueqing Leyu Electric Automation Co., Ltd. Specializes in new product design, sale, and technical service of switching power supply. We own CE RoHS CCC ISO9001 Certification.

Kernal automation was founded in 2004, headquartered in Hongkong with Shenzhen, Guangzhou, Huizhou, Changsha offices. We committed to prodviding customers with a diverse selection of automation products and related accessories, as well as industrailisation 4.0 solutions.

Shenzhen Tengjing Electronics Co., Ltd. is an automation technology trading company with rich management and experience. Specializes in acting as an agent and distributor for well-known domestic and foreign brands. The main brands include: PHOENIX AB, SMC,, etc. Sales include: PLC industrial control products, sensors, LCD displays, human-machine interfaces, pneumatic cylinders, relays, etc. The products are widely applied in communication equipment, networks, security, medical equipment, ships, electronic instruments, aviation, computers, oil well development, factory automation, automotive electronics and industrial automation equipment and other fields in the civil, industrial and military sectors.

Qingdao UNIVERSAL International Trade Co., Ltd. is located in Qingdao City, Shandong Province, China. It is a company specializing in the production and export of permanent magnet generators, horizontal wind turbines, vertical wind turbines, transformers, inverters, controllers, graphite, etc for more than twenty years