Shanghai Roblion Tool Manufacturing Co., Ltd.

Dear Sir, We are very glad to write email to  you. Our factory was established in 1992,and one of the biggest diamond tool factories in China,We have been exported many products in the world. We are professional manufacturer to make diamond tools, We make cutting blade,drill bits, grinding wheel for stone, conctrete, construction, glass etc. Our product's quality is very good and low price. We believe you must be interested in our products, We can offer good service for you! Here, I would like to introduce some popular item for your reference, please kindly check them and give your comments: COPL-Laser Welded Diamond Blade for Hard Concrete Reinforcing http://www.robtol.com/pline/st/stgr.htm COGC- Wet Cut Diamond Blade for General Purpose Cutting of Green Concrete with Soft to Hard Aggregate, also for Asphalt Over Concrete Size (mm)  Item No.   COGC 2 Super premium COGC 3 Professional  COGC 4 High Performance   12" (dia.300x3.2/3.5/4.0x10/12x25.4)  COGC 212  COGC 312  COGC 412   14" (dia.350x3.5/4.0/4.5x10/12x25.4)  COGC 214  COGC 314  COGC 414   16" (dia.400x3.5/4.0/4.5x10/12x25.4)  COGC 216  COGC 316  COGC 416   18" (dia.450x3.5/4.0/4.5x10/12x25.4)  COGC 218  COGC 318  COGC 418   20" (dia.500x3.5/4.0/4.5x10/12x25.4)  COGC 220  COGC 320  COGC 420   24" (dia.600x3.5/4.0/4.5x10/12x25.4)  COGC 224  COGC 324  COGC 424   26" (dia.650x4.0/4.5/4.8x10/12x25.4)  COGC 226  COGC 326  COGC 426   30" (dia.750x4.5/5.0x10/12x25.4)  COGC 230  COGC 330  COGC 430   36" (dia.900x5.0/6.0/6.5x10/12x25.4)  COGC 236  COGC 336  COGC 436   Tech specs (Dia.350mm) Class Cutting depth Cutting life Cutting Speed COGC 2  50mm 200300M  1.2m/min   COGC 3  50mm 600800M  1.2m/min   COGC 4  50mm 9001000M  1.5m/min   COGC 5 50mm 15001800M 1.5m/min Remark: Horse power: 35~72 HP (heavy duty) Segment height: 8+2mm http://www.robtol.com/pline/CO/cogc.htm