1. Introduction: This paper introduces the background and purpose of the partnership organization in Mu Ping, and why we should collect materials from the society to arouse readers' interest and attention.

2. Material demand: List the types and quantities of materials to be collected in detail, so that readers can know the direction and quantity of donation.

3. Material requirements: explain the requirements and standards that the collected materials must meet, such as quality and safety.

4. Donation method: the channels and methods of donation, including contact person, telephone number, specific address, etc. , so that readers who are interested in donating can easily contact the organization and donate materials.

5. Thanks and appeals: I would like to express my gratitude to all sectors of society who have paid attention to and supported this activity, and appeal to more people to participate in this public welfare activity, so that * * * can contribute to the development of Mu Ping.

6. Conclusion: Express Mu Ping's gratitude to the organization, and request approval of the application for collecting materials.

It should be noted that when writing a copy, it is necessary to clearly and accurately express the reasons, types and quantities of materials collected, and at the same time let readers know the ways and means of donating materials to encourage them to actively participate in this public welfare activity.