Is it true that Shanghai Shiju Law Firm sent a text message?

This is not true. I can't believe it. A regular law firm will not send you a text message telling you to sue you, or send a lawyer's letter or sue you directly. It's no use dunning, is it? This has no legal effect. Only the court's notice of hearing can make the judgment useful. Lawyers are just talking. They have no right to do anything to you. Usually not, but if there is more money to collect debts at the meeting, they will sue.