Is it true to send a text message to submit a letter of recommendation for a Ph.D. in JJTU?

It’s true. It is true that texting letters of recommendation for PhD students in Jiao Tong University is a method used between teachers. Shanghai Jiao Tong University, referred to as "Shanghai Jiao Tong University", is located in Shanghai. It is a national key university directly under the Ministry of Education, established by Shanghai Municipality and directly managed by the central government.