What Chinese companies are there in Cuba?

I know, I know a lot. My former company had an office in Cuba, and my former company's biggest foreign customer was Cuba. Tell you a part:

China Agricultural Machinery, China Medical Insurance, China Minmetals, China Petroleum, China Complete Set, ZTE, Huawei, Xintian, Putian, Liaoning MEC, Yutong, Haier and China Automobile. ...

Answer: You can see which company is hiring. Just submit your resume to apply. You study Spanish, right? Why do you want to go to Cuba?