What is the fine-grained topic of the following text: Tên công ty (tiếng Việt): Shenzhen Snowhite Projection Screen Co., Ltd.
We ,Shenzhen Snowhite Projection Screen Co., Ltd. , is specialized in the manufacturing of projector screens with the production capacity of over 3000 sets per month in China. Only return the topic.
Shenzhen Snowhite Projection Screen Co., Ltd.'s Manufacturing and Production Capacity