◆In August 2005, Shenzhen King Explorer Science and Technology Co., Ltd signed the contract with Jiangxi Fengcheng Longshi Chemical Plant about the new production line – the surfactant modification AN (ammonium nitrate) explosive continuous automatic production line that will be designed by Weapon Industry Design Institute. This production line has microcomputer control and video monitoring; the production capacity is 2-2.3 ton/hour, 6-8 thousand tons per year in double shift. It enjoys a high level home and abroad.