1.Annually renewable,harmless and poisonless 2.100 oil and water resistant,invariance and impermeable 3.Useable in microwave. Enterprise Introduction: Located in Rushan economic sevelopment district,Weihai,Shandong,Hecheng technology industry Co.,Ltd is an industry leader in environment-friendly tableware and industrial packing products.Hecheng has invested two hundred million Chinese yuan during ...