What about Beijing Guo Xin Power Source Technology Development Co., Ltd.

The company is not bad.

Beijing Guo Xin Power Source Technology Development Co., Ltd. is a high-tech small and medium-sized enterprise, whose main business field is digital twin technology, providing mathematical twin solutions and services for customers such as government, energy and aerospace. The overall salary level is between 6k and 50k, and the most people get the salary between 20 and 30k. The company provides five insurances and one gold, paid vacation, holiday benefits, employee travel, training opportunities and other benefits.