1 www.nanasupplier.com 2952 3465 9445 2 www.ajinomoto.co.th 874 963 1787 3 www.industry.in.th 582 633 1488 4 www.factoryguideline.com 217 235 316 5 th.misumi-ec.com 75 93 100 6 www.thaikobe.com 48 92 145 7 www.bridgestone.co.th 41 49 62 8 www.premacare.co.th 39 44 74 9 www.pr-thai.com 31 41 77 10 www.samcoautoparts.com 3 4 6 11 www.pr-engineer.com 1 2 4 12 www.tnl-steel.com 1 1 2