Systematization means to ensure that the bidding and purchasing process is reasonable, standardized and controllable by constructing the enterprise management and control system;
Specialization refers to the efficient and orderly completion of bidding work through careful and effective bidding planning by professional teams, which can promote the full competition of bidders and ensure the good effect of bidding projects;
Electronic means to complete the bidding and purchasing work through information means, improve work efficiency and reduce the bidding transaction and supervision cost, which is especially suitable for large enterprise groups with wide geographical distribution and frequent bidding business.