ISO 9001:2015
The company has implemented a Quality Management System to ensure effective control over the manufacturing process of CNC automatic lathe products.
We are certified to ISO 9001:2015 by Bureau Veritas. The certification is valid until 28 March 2029, subject to satisfactory surveillance audits.

ISO 14001:2015
We have implemented an Environmental Management System to manage and control environmental impacts across both internal and external production processes. This system ensures environmental protection within the facility and minimizes impacts on surrounding communities in compliance with applicable environmental regulations.
We are certified to ISO 14001:2015 by Bureau Veritas. The certification is valid until 28 March 2029, subject to satisfactory surveillance audits.

ISO 14064-1:2018
Citizen Machinery Asia Co., Ltd. calculates and reports its organizational greenhouse gas (GHG) emissions in accordance with ISO 14064-1:2018. This enables the company to quantify its GHG emissions, identify significant emission sources, and support effective GHG management and emission reduction initiatives.
For the reporting period from January 1 to December 31, 2025, the company’s total greenhouse gas emissions amounted to 3,820 tonnes of carbon dioxide equivalent (tCO₂e).
The company’s GHG emissions data were verified by Bureau Veritas Certification (Thailand) Ltd. in accordance with ISO 14064-1:2018

Our company has volumtarily joined the green industry CSR-DIW since 2013 to now, we have received the green industry Certificated. Level 4 and our company is open to government and private agencies To visit this project which, We are received CSR-DIN (Green Industry Level 4) Certificated on. 11 June 2024 unit 10 June 2027.
