When natural white sesame stone widely applied to the family, and also will bring a lot to the stone pollution problems, such as contamination of the ink. Ink penetrate into the stone house and not removed, it is difficult removed. So encounter such trouble to get rid of it immediately, and in addition to the use of toner for processing. In addition to the toner according to the 3: 1 mix, cover the stain, and with a protective wrap. Once pigment is removed, cleaned with water and dry, rub repellant. A large number of burning white sesame board low-cost treatment: 300 * 600 * 2.5: 36 yuan / square, 300 * 600 * 50: 45 yuan / square. Curb: 800 yuan / cubic Order. Tel: 15836992808 road calculus http://www.nyzfsy.com low prices, quality assurance.