PATTA GROUPIS AN ISO 90012008 TAIWAN COMPANY. WE TINGTONG INTERNATIONAL PVT LTD ARESUPPLYING ALL TYPES OF PATTASCREWS. PATTA HEX HEAD SCREWSPATTA PAN HEAD SCRESPATTA FLAT HEAD SCREWSPATTA CSK SCREWSPATTA TRUSS HEAD SCREWSPATTA ANTI CORROSSIVE SCREWSPATTA DRY WALL SCREWSPATTA COACH SCREWSPATTA WOOD SCREWS