Take the following steps:
1. Contact Shengjing Bank customer service: First, you can contact Shengjing Bank’s customer service phone number or online customer service, explain your situation to them, and request Cancel this service fee. Customer service staff will help you understand the process and related regulations for canceling service fees.
2. Go to the Shengjing Bank branch with your ID card and credit card, submit an application to cancel the service fee of 200 to the staff, and sign for confirmation.