Quality Assurance

YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001 & ISO 14001 certified.

Quality Assurance

Yuan Dean and Ho Mao electronics (Xiamen factory) are both ISO 9001 / ISO 14001 / IATF 16949 certified. We constantly improve quality and make progress on developing new products during our production, customers have our commitment of keeping improvement on quality management system during implement it to meet all customers' satisfaction as the final aim.

Quality Objective

Quality Improvement: Dedicating to the product yield rate, enhancement of the stability and reliability.

Excellence: Always keep moving forward and positively pursue the next advanced goal.

Customer Satisfaction: Achieving customer's requirements with good quality is always what YDS cares the most.

ISO 9001:2015

ISO 9001:2015 quality management system developed by the International Organization for Standardization. The current version is the version released in 2015. According to the official ISO report, more than 1 million companies and organizations in more than 170 countries have passed ISO 9001 certification. The standard is based on a number of quality management principles, including customer demand concerns, high-level management governance goals, process approaches and continuous improvement. Using ISO 9001:2015 will help ensure consistent quality products and services for all customers.


ISO 14001:2015 sets standards for environmental management systems with the aim of providing a framework for companies to protect the environment and balance environmental and economic environmental changes so that the organization can achieve the expected results set by the environmental management system. ISO 14001:2015 provides a systematic approach to the highest level of management to receive complete information and successfully establish viable measures to promote sustainable development.

IATF 16949:2016

IATF 16949:2016 - The automotive industry quality management system requirements are a set of standards developed by the International Automotive Task Force (IATF) based on the ISO 9001:2015 quality management system architecture. Because of this, the Quality Management System (QMS) cannot be considered as an independent quality management system standard, but must be understood as a supplement to ISO 9001:2015, and with ISO 9001:2015. In conjunction with. IATF 16949:2016 Organization for the production and service of spare parts for the automotive industry, combined with ISO 9001:2015, defines the quality management system requirements for automotive-related industries, including specifications for design development, production, installation and service. IATF 16949 is applicable to the entire automotive supply chain, including organizations that provide customer-specific parts, manufacturing and/or services.


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