็ฐกๅใซๅญฆใถๅฝๅ ่ช่จผๅบ็ค - KCใKCSใKS่ช่จผ็ทจ
่ฃฝๅKC่ช่จผใๅใใฆใๅฉ็จใฎๆนใฎใใใฎๅบ็ค่ฌ็พฉใงใใ
4ๅ ใๅ่ฌไธญใงใใ
้ฃๆๅบฆ ๅ ฅ้
ๅ่ฌๆ้ 3ใๆ
quality assurance
quality assurance
product certification
product certification
quality assurance
quality assurance
product certification
product certification
ใ็ฅใใ
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