law
, administrative regulations and the provisions of these measures, you can complain to the corresponding competent authorities within 10 days from the date you know or should know. The complainant shall fill in the complaint form on the bidding website during the complaint period.
If there are objections to the prequalification documents, bidding documents, bid opening or bid evaluation results, potential bidders or other interested parties shall raise objections to the relevant competent authorities within 10 days after purchasing the prequalification documents, bidding documents, bid opening and bid evaluation results, and raise objections to the tenderee before filing the above complaints (the reply period of objections is not included in the complaint period). And provide objection and objection reply and relevant certification materials, and send the complaint, the certification document of the person in charge of the unit and the relevant materials signed and sealed by the person in charge of the complainant or the person in charge of the unit to the corresponding competent department within the complaint period. If the overseas complainant's enterprise has no seal, the signature of the person in charge of the unit or the person authorized by the person in charge of the unit shall prevail.
Complaints should have clear requirements and necessary supporting materials. If the materials related to the complaint are in foreign languages, the complainant shall also provide a Chinese version, which shall prevail.