①Check whether the glass is transparent, whether there are defects such as dots, bubbles, etc.
Brief analysis: The impurity of the glass material or the defects of the craftsmanship will cause the glass to have defects such as dots and bubbles, and reduce the hardness and strength of the glass.
②Check if there is 3c mark certification on the original glass.
Brief analysis: 3c certification is the abbreviation of China Compulsory Product Certification. Shower room products cannot be sold without this mark.
③Look at the model of fully tempered glass fragments
Brief analysis: According to the national standard, the safety amount of toughened glass per 50*50mm area must reach more than 40 pieces.
