The enterprise can either log in to the Beijing Enterprise Registration E-window Service Platform (website: https://ect.scjgj.beijing.gov.cn), access the “Corporate Services” to handle the change of registered capital online, or visit the registration authority in person to process it. 

Required documents for changing the registered capital include: 1. Company Registration (Filing) Application Form; 2. A resolution or decision to amend the company's articles of association (if the change involves modifying the articles of association); 3. The company’s articles of association or the amendment to the articles of association (if the change involves modifying the articles of association); 4. Copies of approval documents or permits (if the change requires to report for approval by laws, administrative regulations, or decisions of the State Council); 5. The original and copy of the business license; 6. If reducing the registered capital, a statement on the company's debt settlement or debt guarantee situation (stamped by the company or signed by the legal representative) is also required; if the capital reduction is only announced through a newspaper, a sample of the publication showing that the announcement has been made as required by law shall be submitted. The application for registration change shall be submitted 45 days after the announcement. Where the capital reduction has been published through the National Enterprise Credit Information Publicity System, the announcement documents can be exempted.