On April 12^th, the fourth stop of 2016 Tongwei Premix Aquatic Sci-tech Forum was solemnly held. More than 120 people from across the country, including aquaculture technical experts, scholars and technical directors gathered in Chengdu, planning the new direction, new technology and new future for aquatic feed market of Western China. Mr. Guo yizhong, president of Tongwei Co., Ltd., Doctor Zhang lu, aquaculture technical director of Tongwei Co., Ltd. attended.