Buy Offer - Sodium Hydroxide

We are Looking for Sodium Hydroxide for Waste Water Treatment Application.
Quantity: 75-100 Metric Ton 100% per Month.
Quality:
as Aqueous Solution:
25-47% %wt,
Nacl, Na2co3, Fe2o3 – Not Relevant But Should Be Specified. in Bulk Containers or Trucks.

as Solid:
Off Spec Product is Possible, with Higher Impurities as Standard Commercial Product.
Packed in 25kg Bags.