มาตรฐานและรางวัล
THAI HINO CO-OPERATION CLUB
19th QCC presentation Contest 2005 "SKY LINE" SOMBOON MALLEABLE INDUSTRIAL CO.,LTD. In appreciation of your completion of this contest
TOYOTA MOTOR THAILAND CO.,LTD.
This is to express our sincere gratitude and appreciation. For your contribution of support and co-operation to IMV projectIssued to BANGKOK SPRING INDUSTRIAL CO.,LTD
THAI HINO CO-OPERATION CLUB
18th QCC presentation Contest 2004 "SKY LINE" SOMBOON MALLEABLE INDUSTRIAL CO.,LTD. In appreciation of your completion of this contest