Galaxy Pencils Mfg. Co. - Defective Goods Shipped

Sir,
We have placed an order for *** Cartons / ****** Boxes of Kkleeo No. * pencils from M/s. Galaxy Pencils Mfg. Co. vide proforma invoice no. P ****-*** for an amount of Usd **,***. The samples were reviewed accordingly for the items stated in the Proforma Invoice.
Accordingly, an amount of Usd **,***.** was paid as advance towards the shipment as per the agreed terms and conditions vide TT ref. AC *****H****** dated ** June ****. The balance amount was paid at the time of shipment and the shipment was dispatched on ** July **** vide invoice no. ****-*** vide B/L No. Maxnsa******** in Container No. Mxcu******* from JNPT to Jebel Ali port. The shipment was well received at our warehouse on ** Aug ****.
After inspection of the goods we had noticed the deficiency in quality of the shipped products comparing to the samples. The same was intimated immediately to the Mr. Aditya R. Dhoka, Director of M/s. Galaxy Pencils Mfg. Co.
After negotiations Mr. Aditya R. Dhoka agreed to compensate towards the deficiency in quality of goods supplied (Copies of Emails attached) either by selling the products to other countries or offering the same to other distributors in UAE and refunding our amounts. Furthermore, we had been following up with them regularly on this issue.
During our visit to the office of M/s. Galaxy Pencils Mfg. Co. in January ****, M/s. Galaxy Pencils Mfg. Co. have denied their assurance as confirmed initially and agreed to compensate Usd *,*** by the way of discount in our next order.
Whereas the complete quantity of goods valued usd **,*** is lying in our warehouse as we are unable to sell any quantities due to the deficiency in quality. The defective goods are also occupying warehouse space and further amounts need to be spent to scrap the goods.

We request you to intervene in this matter and arrange for compensation and we shall bear the cost to scrap the material in UAE.
Kindly oblige and do the needful.