Nanchuan District, Chongqing City, more than 500,000 yuan of engineering projects must be open bidding?

Must be open. Nanchuan District, Chongqing City, the amount of the project has certain provisions, more than 500,000 amount must be open to bidding procedures, while less than 500,000 can go to the invitation to bid or request for quotations. Tendering is a bidding and tendering industry term, refers to the bidder in advance to issue a tender notice or bidding list, variety, quantity, technical requirements and relevant trading conditions put forward in the specified time, place, invite bidders to participate in the bidding behavior.