Converters  Manufacturers, Traders, Suppliers

Since 1985, CHINFA has been developing, manufacturing and selling high quality switching power supplies.
ISO 9001 certified by TUV rheinland since 1997 to assure quality management. our technological competence is our expertise and leads to a steady stream of innovative products. Continuous innovation is necessary for successful product development. Partnership is essential.
We have become one of the leading partners in the field of power supplies worldwide.

Founded in 1982, MEAN WELL is one of the world's few manufacturers dedicated to standard power supply products. It is ranked the 4th in global power supply (DC output) makers according to a report by Micro Technology released in March, 2021. 99% of MEAN WELL sales are of standard power supply products sold under the MEAN WELL brand name. The other three companies' products are ODM/OEM.
MEAN WELL has been working as a "reliable partner" with customers, suppliers, contractors, and employees to build long lasting mutual trust relationships based on the spirit of "good intentions."
Thanks to robust partnerships with 245 plus authorized distributors around the world, MEAN WELL has been growing and getting stronger for three decades. With 2,800 employees located at its global headquarters in New Taipei Industrial Park, Taiwan, branches and sales offices at Guangzhou, Shenzhen, Suzhou in China, California USA, and Netherlands in the EU, four production bases in New Taipei City (Taiwan), Huadu District in Guangzhou, Suzhou City in China, and Bangalore in India, MEAN WELL had a combined revenue of USD 1,351 million in 2021.

AVIC JONHON OPTRONIC TECHNOLOGY CO., LTD. held by Aviation Industry Group of China, is the largest provider of interconnection solutions in military defense & high-end manufacture fields in China. JONHON is based in Luoyang and sets up sub-companies and subsidiaries in Xi’an, Shenzhen, Shenyang, Dongguan, Qingdao. In 2007, JONHON was listed in Shenzhen Stock and the stock code is 002179.
Having National R&D Center, Postdoctoral Research Center, and Test Center, JONHON specialized in R&D of optical, electrical, fluid technology and equipments, developing over 300 series and 250000 kinds of connectors. By the end of 2015, JONHON has obtained over 2000 patents, drafted and established over 200 occupation standards, gained the certifications including AS9100, ISO9001(2000), TS16949, ISO14001, OHSAS18001 and many key products past UL, CUL, CE, TUV, CB, etc.
Products are widely used in aviation, aerospace and military field, communication and data center field, railway transportation field, new energy vehicle field, power equipments, petroleum equipments, medical equipments, and other civil high-end manufacturing field, which are exported to more than 30 countries and regions including European countries, the United States, Israel, Australia, Korea, India and etc.
Practicing the purpose of “Contribute to Nation with Aviation Industry, Strengthen the Military Forces and Enrich the People” and implementing the corporate core culture of “honesty and virtue”, JONHON efforts to be the global leading provider of interconnection solutions.

For more than twenty years, we have been producing and supplying high-quality products in the field of sensor technology and signal processing, with the focus of our activities being in the area of pressure measurement technology. As a specialist in pressure sensors and integrated circuits for signal processing, we have become a preferred partner for numerous companies in the automotive sector, medical technology and industry worldwide.
We develop, produce and distribute:
- A wide range of OEM pressure sensors and pressure transmitters
- Customized modifications of our standard pressure sensors (e.g. adaptation of the pressure range, the output signal or the connections...)
- Customized sensor systems
- A variety of integrated circuits for signal processing
- Development and testing services
In all our activities, the satisfaction of our customers is our top priority. In order to meet their requirements, we offer reliable and safe products of excellent quality as well as high-quality services, which we ensure through our high quality standards in development, production and our services.
We have been ISO 9001 certified since 2006.