Introduction: This silver ticket is indeed endorsed by our company and transferred to * * * * * * * *.
Start: This silver ticket was indeed endorsed and transferred to our company by * * * * * * *.
The last sentence you asked should be: due to the negligence (mistake) of our staff, we mistakenly endorsed the name of * * company to the position of endorser of a company during the endorsement transfer, and all economic disputes caused by this will be borne by our unit.