EX-31A SENSORE A CATARIFRANGENTE 20CM USCITA PNP stock suppliers.
ComS.I.T. Inc.Address: 11 River Street Middleton MA 01949 United States
Sonicare Solutions Inc.Address: 111 COMMERCE ROAD BOYNTON BEACH Florida 33426 United States
Abacus TechnologiesAddress: 3894 Mannix Drive Bld 208 Naples Florida 34114 United States
Greystone Components CorpAddress: 100 Crawford St Leominster MA 01453 United States
Vision Electronics, Inc. Address: 620 Douglas Ave., Ste. 1304 Altamonte Springs FL 32714 United States