Designed for sea cucumber sea cucumber wrapped box. Polystyrene foam process all foam physical mixing tank sunlight incubator, talc mainly used to absorb heat without chemical reaction: butane blowing agent is coated in a molten polystyrene resin foam expanded to become empty. Wulian foam boxes, foam boxes, foam great great foam from Shandong Limited. Shandong great foam Ltd. (www.rzdayou.com) strong, credible, in Shandong Rizhao plastic materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improve the innovation will lead a great idea and you work foam into the brilliant, for a better future!