If there is a patent, how to find a credible investor?

You can go to Keyi.com to promote and trade your technology patents. Yike Xiamen Zhong Kai Information Technology Co., Ltd. was founded in May 2007. It is an excellent trading platform for national technology patents and technical services. Keyibao, the first technology trading service system in China, creatively realized the e-commerce of technology trading. As an open platform, it can widely serve the technology market and all kinds of technology trading subjects all over the country, thus building a fair, just, safe and standardized national technology trading center platform.