First, product security introduction In order to facilitate consumers to identify the authenticity of products, Lafarge caulk, paper tape and gypsum board have successively adopted anti-counterfeiting queries, as the use of advanced anti-counterfeit methods has greater protection of consumer rights. Plasterboard anti-counterfeiting Gypsum board anti-counterfeit, giving you the unique identity code of each gypsum board. There is a unique code on the back of each gypsum board. Customers can call the national toll-free telephone, SMS inquiry and website inquiries. Caulking cream anti-fake A unique yellow anti-counterfeiting label is attached to each package of caulking paste. Each package of caulking paste corresponds to a unique anti-counterfeiting number. Consumers only need to scratch the coating to enter the security code according to the above query method. Voice or SMS feedback can be true or false. For consumers who have inquired about the authenticity of caulking paste, they will become members of our club and enjoy lucky draws, knowledge sharing and other activities. Tape anti-counterfeiting A unique green anti-counterfeiting label is attached to each roll of laser perforated paper tape produced by Lafarge, and each roll of laser perforated paper tape corresponds to a unique anti-counterfeiting number. Consumers only need to scratch the coating according to the above inquiry method. Enter the security code, according to the voice or SMS feedback to identify true and false. Building materials catty decoration company