Can I post pictures based on the facts of the inquiry letter?

You can't post pictures based on the facts of the query letter.

The inquiry letter shall include the following contents: the name, address, postal code, contact person and telephone number of the supplier. Query the name and number of the project. Specific and clear problems and requirements related to the problems. The factual basis. Necessary legal basis. Date of the challenge.

The writing method of the factual basis of the query letter is to arrange according to the real evidence of the matter and write the answer.