возместит Заказчику понесенные им расходы по хранению, рассортировке, доработке не качественной Продукции econ.

[Transl]

Поставщик обязан возместить Заказчику расходы на устранение дефектов выявленных в Продукции в процессе ее переработки, а также возместит Заказчику понесенные им расходы по хранению, рассортировке, доработке не качественной Продукции.

[_03]

The Supplier shall repay expenses incurred the Customer as a consequence of rectifying/remedying defects identified in the Products as it undergoes processing as well as expenses borne by in storage, sorting out and bringing up to appropriate standards Defective Products, imho

[langkawi2006]

Как вариант:
The Supplier shall be obligated to reimburse the Client on expenses relating to elimination of the Product’s defects detected in the course of processing, and likewise on its expenses on storage, sorting and segregation, rework of inferior quality Product.

[Alex16]

Спасибо!

[ms801]

... also consider breaking the sentence in two for better readability:

Supplier shall reimburse Client FOR expenses incurred in rectifying Product's defects, discovered during processing. Supplier shall also reimburse Client for expenses related to storing, sorting, and reconditioning of defective Product.