low frequency10,000+ factories verified

Foshan Wahbou Power Equipment Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, sales, and service of products such as UPS power supplies, voltage stabilizers, inverters, solar power sources, power module, micro-module computer room, power batteries, etc.

KE AUDIO is a manufacture specialized power amplifier amplification equipment specialized company established in 2000 and headquartered in Guangzhou, China. We specialize in providing high technology and quality professional amplifier to all clients with such needs.

Dongguan Xin Bao Instrument Co., Ltd with its own brand, OTS, has been dedicating in providing professional testing equipment with top quality since its establishment in 1978, It owns sophisticated and advanced technology in producing temperature and humidity chambers, climatic test chambers, environmental chambers, thermal shock test chambers, rain and dust test chambers, salt spray chambers, walk in /drive in test chambers and other customized test chambers, tensile testing machine, vibration test machine, Paper Packaging Testing Equipment, Luggage Testing Equipment, Furniture Testing Equipment, Leather and Shoes Testing Equipment, Mobile phone and PC Testing Equipment, Battery Testing Equipment, Plastic and Rubber Testing Equipment, Products made by OTS reach international standards: ISO, ASTM, DIN, EN, GB, BS, JIS, AMSI, UL, TAPPI, AATCC, IEC. They are also widely used in different area: R&D Institutions, Quality Inspection Institutions, Universities, electronics, communications, instrumentation, automobile, plastic, metal, Building materials, Aviation, etc.

HOWCORE - provider of electromagnetic and power quality solutions. Founded in 2006, we are a professional manufacturer specializing in power electronic passive components, integrating research and development, production, sales, and service. Our headquarters are located in Sheshan Industrial Park, Songjiang, Shanghai, and we have a production base in Pizhou, Jiangsu, covering a total area of 20000 square meters.

Haining LIYA Technology Co., Ltd. is a high-tech enterprise specializing in the custom research, development, and manufacturing of high-frequency transformers and inductors. The company integrates advanced automation with meticulous craftsmanship to deliver stable, high-quality products that meet the rigorous demands of the global electronics industry.

LUSHAN China, founded in 1975, is a manufacturer integrating domestic and foreign high-tech, specializing in the production and development of transformers and reactors.

Wuxi Jizhou Technology Co., Ltd. Was established in 2025 as an export-oriented company built on more than 30 years of industrial experience. Our founder has been deeply engaged in the thermal equipment industry for over three decades and has invested in two modern manufacturing bases in China: One dedicated to industrial electric furnace manufacturing since 1954, and the other focused on cooling system development since 1996. As a unified window for the global market, Wuxi Jizhou Technology integrates the manufacturing strength and technical expertise of these two bases, enabling overseas customers to access one-stop solutions from melting to cooling with greater convenience and more competitive pricing.

Ruian Anchuan Electronic Technology Co., Ltd., founded in 2010, is a high-tech enterprise specializing in the development, production and selling of frequency inverter. In the process of product research and development, we always adhere to the principles of quality first, and use world-class high-tech (such as DSP technology, current vector technology, IPM) in the production, selling of frequency inverter and power electronic products. The product has four characteristics: High efficiency, small volume, low noise and super stable performance. It is widely used in domestic and international automatic machine equipment.

Shenzhen Sine Electric Co., Ltd(hereinafter referred to SINEE). Was established in April 2003 with a registered capital of 64.5 million Chinese Yuan(about US$10 million).

Baoding Sanzheng Electrical Equipment Co., Ltd. is a professional manufacturer of induction heating equipment, and a high-tech modern enterprise with integration of research, development and production.

Our history began in 1988 under the name of Changzhou Golden Globe Welding and Cutting Equipment Co., Ltd., which professionally developed and manufactured MIG/MAG, TIG welding torches, Stud welding guns, Robot welding torches, Air Plasma cutting torches and the welding and cutting sub-assemblies and accessories. Over the past thirty years, we have united more than 200 professionals including nearly 30 engineers from R&D and sales service departments. We have more than 120 Chinese and Japanese CNC Machine Tools, Vacuum Brazing Furnace, Japanese Cleanvy Hydrocarbon Vacuum Clearning Machine, Laser marking machines etc. Also, we have equipped Image Measurement Instrument, Torch Temperature Rise Test Platform, Intelligent Salt Spray Testing Machine, CNC cutting testing platform, welding research center and other advanced testing equipment and laboratories etc. With these high-performance devices, we can continually provide various best products that customers need. We have always been committed to providing high-quality welding and cutting accessories and services to global customers. Since 2002, we have successively received ISO quality system certification, National 3C certification, EU CE certification, CQC certification, RoHS certification, etc. Maintaining long-term excellent cooperative relations with well-known welding machine companies and channel partners at home and abroad, Our company and our trademark, Blackwolf, have been well recognized by customers, and established and accumulated a good reputation in the industry. We believe that people are the determinants of value creation, and that good tools can help people create value with less effort. We are committed to a high standard of precision and service to facilitate the success of our customers.

Zhejiang Aolong Motor Technology Co., Ltd. is located in Taizhou, Zhejiang Province, the capital of motor and water pump. Aolong has been dedicated to the motor industry for more than 36 years and is an enterprise integrating R & D, production and sales. Production scale: Single phase and 3 phase motors, YE2/IE2 motors, YE3/IE3 motors, YE4/IE4 motors, YE5/IE5 motors, PM motors, variable frequency AC motors, dual speed motors, pole-changeable motors, brake motors, explosion proof electric motors and so on...Till now, we sold to more than 50 oversea countries, like Russia, Argentina, Algeria, South Africa, Egypt, Iran, Pakistan, UK, Poland, Korea, Ecuador, India, Vietnam, Brazil, Mexico, Philippines and so on...In 2023, Aolong toal export amount reached around 350 million Yuan. At the beginning of the company's entrepreneurship, Aolong adhered to the fundamental principle of "honesty and quality first"; The company worked hard in the motor technology industry, taking talent as the foundation, using innovation to develop, bravely taking on corporate social responsibility, and striving to achieve a win-win situation for employees, customers, and all sectors of society. The company has won many honorary certificates, and won the exemplary organization of high-quality development of Zhejiang Science and Technology Manufacturing Industry.

Nanjing Ampere Electronic Technology Co., Ltd. Provides one-stop electronic transformer and inductor manufacturing services, which are applied in industries such as new energy, automobiles, industrial control, power, medical testing, etc.

Liyu Group was founded in 1994. Its predecessor was Dongguan Liyu Electromechanical Co., Ltd., headquartered in Changsha City, Hunan Province. It is the core of the country and has three major new energy industry bases in Guangdong, Hunan and Shanxi and a professional rubber. Product company. The Group currently has Guangdong Liyu New Energy Technology Co., Ltd., Hunan Liyu Gas Power Co., Ltd., Shanxi Liyu New Energy Technology Co., Ltd. (including Yangquan Liyu New Energy Technology Co., Ltd. ), Guangdong Liyu Yibao Shoes Co., Ltd. Liyu (Hong Kong) Co., Ltd. 5 wholly-owned subsidiaries. Liyu Group focuses on new energy development and its products and services are spread all over China, covering gas engine R&D and manufacturing, gas engine equipment sales, system integration, after-sales service, and coalbed methane investment and development operations. Its products and services are widely used. Gas-fired power generation fields such as coalbed methane, biogas, and natural gas. With the mission of becoming an advocate of China's green economy development and providing customers with core generator set equipment and system solutions for energy conservation and emission reduction projects, Liyu Group is determined to become the leader in equipment manufacturing and coalbed methane development and utilization in China's gas energy industry. In the past 20 years, Liyu has always been committed to promoting green energy, and is committed to improving the development and application of gas-fired power generation technology. It is constantly pursuing advanced science and technology and innovative management modes to provide customers with value-added green energy solutions. The Group has a number of scientific research achievements and national patents in the gas power generation industry. It is a high-tech enterprise in Guangdong Province and a high-tech enterprise in Hunan Province. The Group is currently engaged in commercial applications and projects under construction totaling more than 200 units with a total installed capacity of over 500MW.

Zenith Audio Electronics Co., Ltd. Has founded in 1996, who is one of the most professional voice coil speaker part manufacturers more than 10years in China, which has owned advanced machine and equipments and first class voice coil technology.

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 Huadian Hi-Tech Electrical Equipment Co., Ltd. (abbreviated as Huadian Hi-Tech), established in 2007 through the corporatization restructuring of the tertiary subsidiary of the former Wuhan High Voltage Research Institute, is a high-tech enterprise. Its predecessor, Wuhan High Voltage Research Institute Huadian Electric Company, founded in 1991, was among China's earliest manufacturers of high-voltage testing equipment.

Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd. - Enhanced Company Profile

Kiyu Power Wuhan Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture, and marketing of power testing products, instruments, power industry automation systems, which are supplied for national power companies, metallurgy petrochemical corporations, factories and public institution.

Shandong Junxu Heavy Industry (Group) Co., Ltd.: Is a group oriented development company with three branches. It is a comprehensive, efficient, and intelligent technology enterprise specializing in the research and development, design, production, marketing, and after-sales service of large-scale dryer sets, desulfurization equipment, biogas engineering, and drying equipment. The production and manufacturing base is located in Weifang, the world kite capital, and is an advanced manufacturing base and a famous cultural and tourism city.

Zhuhai Brightex Tech Co., Ltd. is a manufacturer specializing in the manufacture of transformers and inductors.

Changxing Superenergy Technology Co., Ltd. is a high-tech enterprise. The company is located in Baixian Industrial Park, Changxing County, Zhejiang Province, on the West Bank of Taihu Lake. It has a superior geographical location and convenient transportation. It is a company that integrates development, production and sales. At present, products such as E-type inductors, transformers, H inductor, magnetic ferrite core and skeleton are produced. It can provide customers with various types of complete support and services, reduce the cost of customer development and management of suppliers.

Zhejiang Hongfeisheng Energy-saving Equipment Co., Ltd. Has a profound accumulation of talents and technological reserves. Its founding members are all seasoned professionals in the industry, having been deeply involved in the field of fluid machinery for over 20 years. With an international perspective, the company excels in engineering cases, practical skills, engineering risk assessment, cost control, and supply chain management, providing high-quality and reliable services to customers worldwide.

Guangdong Kefengsien Electronics Co., Ltd. (KFSEN) is an integrated enterprise that specializes in product R&D, manufacturing, sales, and technical services. Our core product portfolio covers UPS Uninterruptible Power Supply, Precision Air Conditioning, Micro-Module Data Center, solar energy products, and industrial-grade power supplies.

AITAI Group provides a closed-loop ecosystem for industrial lubrication management, centered on our Total Excellence Lubrication (TEL) framework. We help industrial enterprises shift from reactive repairs to predictive maintenance through three specialized operational hubs:

Qingdao Ugwave Electromechanical Technology Co., Ltd. is located in Guanggu Science and Technology Park, the west coast of Qingdao New District. UGwave has set up Huangdao R&D center and Suzhou manufacturing plant, which is a National High-tech Enterprise, Yangcheng Lake Science and Technology Leading Talent Enterprise, and Jiangsu Private Technology Enterprise. We focus on the independent research and development of core technologies for RF Filters, Microwave Component, Microwave Test Instrument Accessories and other products. Our products have the characteristics of small size, light weight and high integration, which are widely used in radar, electronic warfare, satellite communication, remote sensing and telemetry, enemy identification and other fields.

Shenzhen ACDC Power Co., Ltd. Supply UPS from 1kVA - 1200kVA UPS (uninterrupted power supply) solution worldwidely, professionally, reliably. With strong R & D ability to support our customeer with OEM ODM UPS products

Shanghai Usong New Material Technology Co., Ltd. (USONG Acoustics)

Company History & Background

RisingHF is a national qualified high-tech enterprise and specialized-refined company focusing on the innovation and development of the new generation Internet of Things communication technology and intelligent hardware.