When is the tender for the distribution of the canteen in Yingkou Detention Center?

2021June 28th. According to the relevant information of Yingkou detention center, the tender for canteen distribution began on June 28th, 20021year and ended on July 5th, 20021year. Bidding is a term in the bidding industry, which means that the tenderer (buyer) issues a tender notice or tender sheet in advance, puts forward the variety, quantity, technical requirements and related trading conditions, and invites bidders (sellers) to participate in bidding at the specified time and place.