Suzhou Pink Blue Black White hollow plate sheet plastic containers with small size, light weight, beautiful and durable, easy to clean, corrosion-resistant, easy molding and ease of use, safety and health, etc., are widely used as beer, soft drinks, raw fresh fruits and vegetables, milk, eggs, fish and other transport packaging materials used in plastic containers mostly PP and HDPE. Raw materials for the production of HDPE crates better low temperature performance, and better compression performance with PP as raw material turnover box, which is more suitable for long-term storage stack need to put food. Because Crate sun and rain by 13 and by the impact on the environment, easy to aging embrittlement, response time, raw materials selection and choice of appropriate additives, such as UV-absorbing means modified in order to improve the service life of plastic containers