How about Zhejiang Changtong Technology Co., Ltd.?

According to statistics, Zhejiang Changtong Technology Co., Ltd. was established on April 27, 2002, with a registered capital of12,382,600 yuan and 273 participants. It is a state-level high-tech enterprise that mainly manufactures transportation equipment such as railways, ships and aerospace. The company has been awarded the qualification and honor of "National High-tech Enterprise" and "National Science and Technology Award".

In terms of intellectual property rights, Zhejiang Changtong Technology Co., Ltd. owns 9 registered trademarks and 67 patent information/kloc-0. In addition, Zhejiang Changtong Technology Co., Ltd. also invested in two foreign companies, directly holding 1 enterprise.