Sanchuang Promise can be written or printed.

According to the query of relevant public information, Sanchuang does not stipulate whether the form of the commitment letter must be handwritten or printed, so it can be handwritten or printed, as long as the signature is signed by the promisee himself after reading the content of the book. It is regarded as the true expression of the person's consciousness, and whether the form of the commitment letter is handwritten or typed will not affect the legal effect of the entire document.

Three innovations refer to innovation, creativity and entrepreneurship.