變換器級聯  製造商、經銷商、供應商

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.

SHENZHEN INVT ELECTRIC CO., LTD, which was established in 2002, is a National Hi-Tech Company and the first China Drive Engineering Centre, principally engaged in the R&D, manufacturing and marketing of low, medium and high voltage inverters in the fields of electric drive and industrial control.
Has set up over 30 representative offices nationwide, INVT has cooperated with hundreds of Distributors at home and abroad, with its diversified users in over 50 countries and regions.
Our self-developed products cover a wide range including CHA/CHV/CHE/CHF/CHH, voltage level from 220V to 10KV and power rating from 0.4KW to 7100KW; can meet many kinds of applications.
With the mastering of mature vector control technology and special inverter control technology in various industries, as well as breakthrough of four-quadrant control technology, INVT has been keeping ranking the top among national inverter manufacturers.
INVT always aim to be your mutual benefit partner and professional drive solution provider.

Sungrow Power Supply Co., Ltd. (“Sungrow”) is the world’s most bankable inverter brand with over 340GW installed worldwide as of December 2022. Founded in 1997 by University Professor Cao Renxian, Sungrow is a leader in the research and development of solar inverters with the largest dedicated R&D team in the industry and a broad product portfolio offering PV inverter solutions and energy storage systems for utility-scale, commercial & industrial, and residential applications, as well as internationally recognized floating PV plant solutions, NEV driving solutions, EV charging solutions and renewable hydrogen production systems. With a strong 26-year track record in the PV space, Sungrow products power over 150 countries worldwide.
Sungrow possesses a dynamic technical R&D team that represents 40% of the personnel in the Company. The Company has also invested in its own in-house testing center approved by SGS, CSA, and TÜV Rheinland. Sungrow has the world’s largest inverter factory, with a global annual production capacity of 305GW, including 25 GW outside China.
Offering a wide range of solutions and services, Sungrow is committed to providing clean power for all and is steadfast in its efforts to become the global leader in clean power conversion technology. Learn more about Sungrow by visiting www.sungrowpower.com.