1When you buy plastic raw materials with small quantities, The factories do not want to cooperate with you, delivery times are long. (Factories usually handle large quantities of goods, from tens of tons to hundreds of tons. They are not interested in small batches of plastic raw materials,have to full payment is required and the goods will not be delivered for at least seven weeks).
Import prices are expensive, very cumbersome transactions (small batches imported from abroad, requiring reservations, customs declaration, logistics, distribution and other related issues, making this process difficult and complicated).
You are not used to dealing with foreign suppliers, product quality is not guaranteed.