1.Biddingforsafetyprotectionproducts (0)
2.Biddingforofficecultureandeducationproducts (0)
3.Biddingforelectricalequipment (0)
5.Radioandtelevisionequipmentbidding (0)
7.Biddingofmechanicalequipment (0)
8.Biddingofcommunicationproducts (0)
9.Otherbidding (0)