Congratulations10th anniversary
Congratulations on the 10th anniversary ขอแสดงความยินดีกับพนักงานที่อยู่เป็นครอบครัวเดียวกันมาเป็นเวลา10ปี
HD Family Day & Thank You Party 2021
HD Family Day Thank You Party 2021 & Happy new year 2022 24 DEC 2021
HD Family Day & Thank You Party 2020
งานเลี้ยงขอบคุณพนักงานและวันครอบครัว 2020 12 Dec 2020 (@Chumnumsubb)
Happyday Engineering 20year Anniversary
24/07/2020 Happyday Engineering 20year Anniversary 20y Anniversary
ISO 9001:2015
A quality management system designed to help organizations ensure that they meet the needs of customers and other stakeholders while meeting statutory and regulatory requirements related to the product. Happy day Engineer’s certified the ISO9001 version 2015 by SGS on 17 March 2022
HD Family Day & Thank You Party 2019
5 Dec 2019 (The Idle Serviced Residence) Thank you Party 2019