Ningbo Taiji Environmental Protection Equipment Co., Ltd. (“Taiji” hereinafter) won the bid in Fujian on April 29, 2008. The party inviting tenders was a manufacturing enterprise for tobacco re-dying. Eight environmental protection companies had submitted bids. This company examined bidders’ desulphurization equipments in detail by organizing an investigation group in advance and carried out bid evaluation in technique and business fairly, impartially and openly at that day. The DS DS-heterogeneous reactor of Taiji was highly valued by experts and other people of the trade.