How about Beijing Soder Electric Company?

Beijing Soder Electric Company is quite good.

Established in 1999, Beijing Sourdis Electric Industry Co., Ltd. is headquartered in Beijing Economic and Technological Development Zone, and is a state-level high-tech enterprise with completely independent intellectual property rights, with branches in Dynassode, Suzhou, Dynassode, Chengdu and Shenzhen.

Based on the business philosophy of "the world doesn't need it, but China needs independent research and development", the company has trained a group of R&D and management talents with profound attainments in the fields of drive control and motors, among which R&D personnel account for more than 50% of the company's total employees.

The company has been focusing on the original research and development of core key components in the industrial field, mainly involving motor and drive controller products in new energy vehicles, ships, rail transit, military industry, elevators and other fields, as well as discrete intelligent manufacturing data link management systems in the industrial field.