(JDRDIATOOL@163.COM)Diamond blade,polishing pad, hole saw,drill bit, grinding wheel, cutting tools

They are Four Grades for diamond blades  to meet different demand from our cutomers: A) Professional Purpose diamond blade : for large civil engineering construction on a regular daily basis, require long life(Less expensive per cut/meter) and fast cutting speed. B) Builder's (Contractor) Purpose diamond blade : for regular cuse with medium life, fast cutting speed no need the same life of a Professional Blade. C) DIY Purpose Diamond blade : For small scale occasional use, require fast cutting speed and reasonable life D) Promotional Purpose diamond blade :cut well with water but with short life. Diamond blade

Diamond Blade  with continuous smooth rim provides the smooth cut in ceramic tiles and ornamental stone. Diamond Blade with Segmented or Turbo type may produce slight chipping but generally have a longer life and lower cost per cut than continous rim blades. Segmented Diamond blades provide the longest and lovest cost per cut but only suitable for work where chipping is not a problem.                                                          Segmented                                   Turbo       ...

                                                           Professional          Builder             DIY            Promotional Diamond blade's working Life             ▲▲▲▲          ▲▲▲            ▲▲                 ▲ Diamond blade's Cutting speed         ...