How many points should I invoice for the purchased equipment in the technology development entrustment contract?

16% invoice is issued for the equipment purchased and the opened instruments in the technical development entrustment contract. According to relevant public information, 16% invoice has been issued for the instrument part. Or, of course, there will be certain risks, and amending the contract cannot reflect the existence of instruments and materials. The purchase of instruments and materials does not reflect their use in this project.