Hi Arkosoft,
When was the last time you contacted Playboxdistribution? It could be your message went to their spam/ junk folder instead. Try sending them another email. Direct it to Link hidden: Login to view. You may also phone them at +65 6366 4466 for a faster communication.
Here are some other suppliers for the products you mentioned:
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Contact them directly and let them know the products and quantity you're interested in purchasing. This way they can offer you the best possible price. Hope this helps! :)