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          Buying Guide

          Guide

          真偽辨別

                 

          When you purchase the company's products, please pay attention to the packaging of goods "Tianjin Wanrong chemical industrial holding company management, production of 303 chemical building materials Co., Ltd. of Tianjin city, and" 303 "trademark. In particular, in the purchase of putty, putty powder, the product packaging printed with:

          • 1 point laser marking genuine signs. Such as the production date, product line number or not repeat this flag is fake.
            2. National patent approved the use statement. As follows: packaging patent number: XXXXXXXXXXXX.X counterfeiting, such as imitation will be subject to legal liability.


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