... glass3.Excellent quality, Unique product decal designs,free samples can be available.4.The products are showing btightness,temperature ... Jiancheng opal glassware are green environmental protection.Beside,the waste can be recycled.3.More hardness han ceramic1)Jiancheng opal ... nontoxic,flavourless,ageing resistance.3)Good microwave transmission,which can be used in micro-waveoven.5.More attractive ...