EHWA General Tool Inc. Address 2025 Alton Pkwy. Irvine CA 92606 United States Map It Phone 844-EHWA-USA Fax 949-250-0409 Website http://www.ehwadiamondusa.com Email ind.insales@gtdiamond.com Product Categories Manufacturer Categories Abrasives/Electroplated Boring Bars Chamfering Tools Cutoff Blades Dressers/Diamond Drills Endmills Engraving Tools Files Grinding Wheels Honing Stones Inserts Reamers Saw Blades Scribing Tools