When making nylon ties, the raw material used is high quality nylon 66. When entering the injection molding stage, we should pay attention to check whether there is any debris inside the raw material, a little bit of black debris may cause the nylon ties to become black after they are made. After the mold is prepared and the pressure of the injection molding machine is adjusted, injection molding can be done. In addition, the nylon ties injection molding, not immediately sold, but also through the professional cooking equipment for cooking, because nylon ties ties related knowledge just made out of the time will be very brittle, we add moisture to them through cooking, in the process, according to the different materials may also add some chemical materials. After the steaming is done, take it out to cool, we also have to pressure test it, only after the pressure Avenue national nylon ties requirements, we can sell in the market.