On July 21-23 2015, Honda Trading Asia, customer, audited POSCO-Thainox factory in company overview to make sure before starting business with POSCO-Thainox, which department were audited such as Products Technical Service, Quality Assurance, Process & Quality Control, Safety & Environment Prevention, Sales, Training, Instrument, Production, Maintenance and so on. POSCO-Thainox could achieve the customer requirement. Then Honda Trading Asia decided to start business with POSCO-Thainox to order stainless auto parts products to produce Honda automotive and motorbike.