Songjiang stone renovation, Qin Ze US industry, stone renovation provided by Shanghai Qin Ze US Industry Environmental Technology Services Limited. Shanghai Qin Ze US Environmental Technical Services Co., Ltd. (www.qzmychina.com) is a professional engaged in "cleaning company, cleaning company, Shanghai cleaning companies, carpet cleaning, floor waxing, marble" company. Since its inception, we adhere to the "honesty, sound management" approach, the courage to participate in healthy competition in the market, so that the "Qin Ze US industry" brand has a good reputation. We adhere to the "service first, customers first" principle, so Qin Ze US industry has won the trust of customers in the cleaning of the congregation, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! 2. renovated granite stone granite known as Ma 石松江 renovation, mainly composed of quartz, mica Changning stone renovation, Mohs hardness value of about 6.5, hard, long-term use of natural weathering and prone to wear and tear, and its performance characteristics as mica off. At this point there is a small stone surface pitting appear concave when pitting growing, granite surface brightness drop, lose their luster, hand concavity when touched, can be restored using the refurbished stone luster. ② use 50 # metal grinding 6, respectively tighten mounted on two grinding disks, plus two of a total of 50 kilograms weight iron, the ASL JIEMEI refurbished machine speed adjusted to 500 rev / min or so, turn on the water and start motor grinding. Every grind about 1 square meter area, repeatedly push 3 to 5 times, will be part of the grinding stone to smooth notches Qingpu stone renovation, moderate water when grinding prohibit dry grinding, dry with a suction machine, suction net ground. ③ Replace metal grinding 150 # 300 # metal grinding, polishing order, leveling notches, to eliminate the rough grinding marks. Repeated grinding, scraping dry ground.