Tender must be submitted to the tender specified in the tender before the closing date, otherwise, will be regarded as "late bidding" and refused to bid.

After the tender has been prepared, it is necessary to seal the original and the copy respectively in separate envelopes according to the number specified in the bidding document, with the words "original" and "copy" on the envelopes, and then encapsulate all the envelopes in one Layer envelope. Inside and outside the envelope must be marked on the envelope designated delivery address, project name, tender invitation title and number. At the same time to indicate the cut-off date before the opening of the letter.

c. Submission of the tender

b. Bidding Documents - Bidders to purchase the tender documents, if there is any doubt that the business or technical parameters, should immediately notify the tenderer according to the address and contact information written contact with the tenderer, the tenderer will be the subject of the tender cut Prior to the date, the bidder requested clarification on the subject to be answered in writing, and at the same time, notify this written reply to the bidder for each bid that has been purchased. This is also what people often call clarification. Clarification is very important before the tender, bidders in the serious examination of the tender, if there is any commercial or technical doubt, if not timely written clarification to the tenderer, the tender process may be severely punished because of serious discrepancies; even if After winning the bidding, it will also generate unnecessary disputes and troubles when performing the contract and cause economic losses.