After payment, view the order information in Zhonggong Education APP - [My] - [My Order] - [View Details]. For logistics query, please copy the express bill number in [My Order] - [View Logistics] and go to the express company website for query.

① Default for express delivery: Yuantong, postal parcel, etc., and postal parcel in remote areas. If you need to upgrade SF Express, please contact customer service (400-6509-705) to make up the difference of SF Express.

② Shipment Time: the first time to ship after the order is placed.

③ Place of shipment: Hebei/Shandong.

For most of the new edition book bonus courses, you can learn about the bonus courses according to the introduction of the main map of the goods and the details of the goods.

The book purchase account is the lecture account. Students need to search the "Zhonggong Education" APP in the major mobile phone application markets. After downloading, please open APP to learn.

The course validity period is the effective learning time after the course starts, from the beginning of the course to the end of the course.

Each course can view the specific expiration date on the course introduction page.

Coursewares such as live broadcast, recording broadcast and materials of courses within the validity period can be learned repeatedly; If the period of validity expires, all the contents of the course will not be available (including cached videos).

Therefore, please check the validity of the course in detail before purchasing goods, and purchase the course according to your learning progress.

① Books can be returned within 7 days without any reason, that is, within 7 days after the goods are signed in, if the goods are packaged in good condition and the plastic package is not opened, a return application can be submitted, and the freight will be borne by the buyer. There is no quality problem. Return is not supported after 7 days.

② If the goods are returned due to quality problems, please take photos and contact online customer service after receiving the goods. We will handle the return and exchange service for you as soon as possible, and the freight will be borne by the seller.

Our store supports electronic invoice. If you need an invoice:

Please call the national library hotline: 010-60957201.