В контракте написано:ПОДРЯДЧИК в лю

В контракте написано:
ПОДРЯДЧИК в любое время должен иметь в наличии минимальный объем запасов всех химических веществ, чтобы обеспечить производственные работы как минимум в течение 3х месяцев.

Results (English) 1:

In the contract it is written:The CONTRACTOR must at all times have available the minimum amount of stocks of all the chemicals to ensure productive work for at least 3 months.

Results (English) 2:

The contract is written,
the CONTRACTOR at any time must be available for a minimum amount of inventory of all chemicals to ensure the production of work for at least 3 months.

Results (English) 3:

The contract is written:
the contractor at any time must be in a minimum amount of stock for all chemicals, to ensure production of work for a period of at least 3 months.