Linyi Aosen ChemicalCo.,Ltd. Our company was founded in 1999 and has passed the SGSinternational certification. We are a powerful company of plastic raw materials, like PP, HDPE, LDPE, GPPS, HISP, PVC, PC, PET, PBT, EVA, PA, etc. Our company has a good relations with many suppliers from Africa, the Middle East, Eastern Europe, Southeast Asia and North America.