Purchase Qty. Reference FOB Price
1,000-2,999 Pairs US$3.00
3,000+ Pairs US$2.50
Product Description
Product Description Polyurethane (PU) began to be used as materials such as shoe soles in the 1970s. The main advantages of PU are that it is hard, flexible, durable, and elastic over a wide range of densities. PU, also known as polyurethane, originated in Germany during World War II. PU is ...