Plastic corner fitting 1).Material:plastic PVC, PE, PP, ABS 2).High quality 3).Best Price Plastic corner fittingMaterial: Plastic PVC, ABS, PP, PE or mixed them ... after we received the order form.1.Because of the plastic material, so it is light enough, and it is ... supervised and administrated, we have the quality assurance.4.The plastic corner has excellent thermal shock resistance,so it is not easy ...