Adding of Quantity Changer Field on Checkout

Hello,
I want to add a field to modify the quantity of product on my checkout page because I got the number of products but I can’t modify it on checkout page so is it possible with this plugin ?

I want this field on “woocommerce-checkout-review-order” not in personnal information “woocommerce-billing-fields”.

Thanks in advance & thanks for this plugin very usefull !
Bye.

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