Are these sentences correct?

Annecy said:

As per Mr.X's instructions, M/S Company removed the following items which installed themselves in the above project and handed over to us.
As per Mr. X's instructions, the following items were removed from the above project by M/S Company who fixed, and received at our stores.

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Annecy said:

As per Mr.X's instructions, M/S Company removed the following items which installed themselves [?] in the above project and handed over to us. [handed what over to us?]
As per Mr. X's instructions, the following items were removed from the above project by M/S Company who fixed [fixed what?] , and received at our stores.

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Raymott said:

1. Do you mean the items installed themselves after being removed and were then handed over to you? How can a removed item install itself?

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Raymott said:

Neither of them makes complete sense.
1. Do you mean the items installed themselves after being removed and were then handed over to you? How can a removed item install itself?
2. M/S Company who fixed what?
What were received at your stores? Do you mean:
As per Mr. X's instructions, the following items were removed from the above project by M/S Company who fixed the items, and then sent them to our stores ?

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Annecy said:

As per our PM instructions, the subcontractor (the company) removed the following items (because of the items were not cope with our standard) which were installed by themselves in the above project and handed over to us

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