Mark,
would you try our PLA? we already doing this business for two years, our products go mature and qualify.
now we supply PLA filament, go by post, delivery fee is just $90 for 20kg(gross weight),
we sale $15/kg, discount base on quantity.and we can make it ZERO import tax, it is less than $20/kg by your hand.
Quality guarantee, test printing vides you can see here [
i.youku.com]