Building construction enterprise is a long history of traditional enterprises, it is important the national economyofmaterial information on one of the productive sector.
建筑施工企业是历史悠久的传统企业，它是国民经济中重要的物资资料生产部门之一。
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Recycling also stimulates the local economy by creating jobs and trims the pollution control and energy costs of industries that make recycled products by giving them a more refined raw material.
The importance of higher packaging engineering education was discussed from economy, foreign trade, packaging industry, material civilization and mental civilization.