HD Family Day & Thank You Party 2021

HD Family Day  Thank You Party 2021 & Happy new year 2022 24 DEC 2021


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Countermeasures against COVID19

Countermeasures against COVID19 Surveillance (การเฝ้าระวัง) Distance control (การควบระยะห่าง) Disease control (การควบคุมโรค) Bubble and Seal (มาตรการบับเบิลแอนด์ซีล) JavaScript is not enabled in your browser


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Covid 19 Protection

1. Distancing 2. Mask Wearing 3. Hand Washing 4. Testing 5. Thaichana Application


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HD Family Day & Thank You Party 2020

HDファミリーデー&サンキューパーティー2020 (งานเลี้ยงขอบคุณพนักงานและวันครอบครัว 2020) 12 Dec 2020 (@Chumnumsubb)


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ตรวจสุขภาพประจำปี 2563

毎年恒例の健康診断写真 2563 19 Oct 2020


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Happyday Engineering 20year Anniversary

24/07/2020 Happyday Engineering 20year Anniversary 20y Anniversary


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ISO 9001

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 6 March 2019


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