There are many training institutions for construction workers, such as Luban, Jianxun, Dali, Huijiasen, Luyou, Xueersen and so on. Please consult more and compare more. Different training institutions, different courses, different training prices, different teachers and different services. It is necessary to comprehensively consider and choose a training institution that is cost-effective and more suitable for you. You can look at the reputation of various training institutions through Baidu.