Please help me, simple question

please comment for the following sentences.

A) please inform us the following missing information of the items as stated in materials schedules.



1, color of glass.



2, thickness of aluminium cladding.



3, installation location of items:pho1, hpo2, mo3.



or



B) Refer to the material schedule,the following information haven't been indicated.





1, color of glass.



2, thickness of aluminium cladding.



3, installation location of items:pho1, hpo2, mo3.




Please inform us of such information.



Above sentences is a query will be send to interior designer for revonation works,



I want to kown which one is better and any improvement. Both A and B are same meaning. the query is formal letter.



Thanks and Regards,