Yes A collection letter is a letter sent by the creditor to the borrower after the debt is overdue, with the purpose of reminding the borrower to repay in time. From the legal point of view, the collection letter is a legal written notice with legal effect. In the loan contract, the creditor has the right to take all legal means, including sending a reminder letter, to safeguard his legitimate rights and interests. Therefore, the dunning letter from Suqian Teng Jun is legal and effective. Suqian Teng Jun Information Technology Co., Ltd. was established on June 4, 20 17. The legal representative is Xin Li, whose business scope includes: technical development, technical consultation, technical service and technical popularization service in the field of information technology; Economic and trade information consultation; Public relations service; Copyright agency; Accept the entrustment of financial institutions to engage in financial information technology service outsourcing; Accept the entrustment of financial institutions to engage in financial business process outsourcing and accept the entrustment of financial institutions to engage in financial knowledge process outsourcing; Basic software services; Application software services; Technical enterprise image planning; Market research; Enterprise management; Financial consultation; Designing, producing, displaying and publishing advertisements; Conference services; Undertaking exhibition activities; Information technology data processing; Electronic product sales; Equipment leasing; Providing labor services; Enterprise management consulting, etc.