Top source of electrical
Won the A-level contract-abiding and credit-worthy enterprise
16949 plan implemented
Obtained CNAS qualification certification
2025
Top source of electrical
The factory was upgraded, the scale was doubled, and the laboratory was expanded according to CNAS standards
2023
Top source of electrical
Dc products have been comprehensively upgraded
2021
Top source of electrical
Source top electric set up Guangdong production base
2019
Top source of electrical
It has become a well-known brand in the five industries of power, machinery, rail transit, new energy and charging pile
2018
Top source of electrical
More than 30 service outlets have been established nationwide
2017
Top source of electrical
Participated in the establishment of State Grid charging pile standards
2016
Top source of electrical
Yuanding factory moved to Yuyao, Zhejiang Province
2015
Top source of electrical
Source top all metal axial flow fan, IP55 filter has become the market star products
2014
Top source of electrical
Yuanding was established in Shanghai and Hong Kong. SOTOP brand filter, fan, temperature controller, moisture controller, heater to the market
2012