On June 5th, The training students of environmental security team from China WPC industry visited Sundi-WPC factory, the visitors including: Mr Liu Jia, the General Secretary of China WPC industry, Miss Zhang Jing from the testing center of China's Ministry of Environmental Protection, Professor Mr Gai Guosheng from powder institute of THU, the relevant scholars from NFU and peers from other factories of China WPC. All people gave highly of Sundi-WPC in intelligent, automatic and clean WPC producing technology, they all agreed that this technology makes the environmental protection truly from manufacturing to applying.