Inquiry (采购产品): Below grade cutoff saw We have developed a saw that can cut a square clean cut from inside the pipe.Please see the demo video cutting an 8" concrete water valve stand in 60 sec.We are sure our saw will make a fine new product that will fit right in with your product line.Please call or e-mail us with any question's you might have about a licencing agreement.Thank You. Sincerly Frank E. Fuller P.S. Our web site is www.holelocking.com **** Hidden Message ***** Frank Fuller 4341 E. Van Buren st. Phoenix, AZ 85043 USA Company: Holelocking Enterprises LLC Phone: 602-276-9163 Fax: 602-276-9162 E-mail: holelocking@yahoo.com **** Hidden Message ***** holelocking@yahoo.com