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Do Kaifeng Public Resource Trading Center and Zhengzhou Public Resource Trading Center use ca locks?
Kaifeng Public Resource Trading Center and Zhengzhou Public Resource Trading Center do not use the same CA.

CA lock, that is, electronic seal, simulates the traditional physical seal with advanced digital technology, and its management and use mode conforms to the habit and experience of physical seal. The electronic file stamped with its seal has the same appearance, the same effect and similar usage as the paper file stamped with its physical seal.

Long before the promulgation and implementation of China's Electronic Signature Law, electronic seals appeared. In the middle and late 1990s, as the traditional office mode gradually changed to the information office mode, the circulation form of paper documents also changed to the circulation form of electronic documents.

Information to carry when handling CA locks:

1. One original and one copy of the business license (with official seal);

2. A copy of the corporate identity card (with official seal), and one original and one copy of the corporate agent's identity card (with official seal);

3. A power of attorney of the legal person, and copies of the ID cards of the legal person and the agent must be double-sided, and the proportion can be reduced (stamped with the official seal of the legal person);

4. Commitment letter of good faith (with official seal and corporate seal);

5, electronic bidding digital certificate application form in triplicate (official seal);

6. Copy of official seal and corporate seal receipt (official seal and corporate seal must be clear and unchanged).