【Supply Chain management】

Winstek value customer satisfaction and social corporate responsibility, and works closely with suppliers to promote the concept of supply chain management to achieve the goal of sustainable management and joint promotion of social responsibility.

● Supplier Rating and Ranking

1. Regular evaluate major raw material suppliers
2. The evaluation items includes quality, delivery, cost, technology and service
3. If a supplier failed to meet the standards that need to provide the improvement plan and confirm the result.

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● Supplier Audit

1. Audit major raw material suppliers
2. Audit items includes quality system, EHS system, banned substances request and Responsible Business Alliance code of Conduct
3. Based on the audit found, the supplier with missing needs to provide an improvement plan and confirm its effectiveness, the non-improvement will be disqualified

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● Supplier Consultation and Training.

Conduct supplier conferences to promote quality/EHS Policy, Banned material request and Responsible Business Alliance code of Conduct

  • Held a Supplier Conference in 6th, Nov. 2019 to deliver Quality policy ,SONY GP and RBA Requirements to suppliers for compliance.
  • No held a supplier conference in 2020 due to COVID. promote Quality-related policies, SONY GP and RBA code of conduct by email or on-site audit.
  • Held remote supplier conference in 1st, Jul. 2021 and declare the Winstek's RBA, Green product and GPM system request.
  • The GPM system was officially launched on 1st,Nov. 2021 effectively controlling suppliers's hazardous substances.
  • Held remote supplier conference in 24th, Nov. 2022 and declare the Winstek's RBA, Green product, Carbon footprint and Information Security request.
  • To effectively controlling suppliers's hazardous substances and keep records for 15 years.
  • Announcement at the company website for hazardous substances requirement and RBA policies in 2023.

Green Supply Chain <<
Winstek is committed to the development of green products, in 2010, was awarded Sony "Green Partner" certificate, officially become Sony Green Supply chain Partners!

1. Green procurement
Continuous promotion of "green procurement", raw materials suppliers must provide third-party impartial units of testing certificates, such as the European Union RoHS, REACH, etc., to ensure that their products do not contain hazardous substances harmful to the environment, (compliance with Winstek’s document of G-ES-018 attachment 9.1 regards to environment and material control ) to ensure that products meet the requirements of customers and relevant international laws and regulations.

2. Green certification
Fully demonstrate the ability to manage hazardous substances, collect relevant data every year, such as material test reports, to ensure that the materials provided by suppliers comply with the requirements of customers and relevant international laws and regulations.


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Conflict Minerals <<
Conflict Minerals refer to minerals mined in situations of armed conflict and human rights violations. According to the requirements of the regulations, after January 1, 2021, the importers of 3T1G conflict minerals [Tungsten, Tin, Tantalum, Gold and Cobalt] in the European Union Importers, Smelters and Refiners are required to conduct mandatory due diligence to confirm that 3T1G originates from conflict-free regions when their annual import volume exceeds a set threshold. Ensure that its source complies with the Organization for Economic Co-operation and Development (OECD).


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Corporate Social Responsibility Declaration <<

  • As a citizen of the world, Winstek declares and adhere to the code of social moral responsibility and the spirit of international human rights, and promise to abide by the code of conduct of the Responsible Business Alliance (including environmental protection, labor and occupational safety and health, rights of workers and ethics).
  • The supplier must sign the RBA letter.
  • Winstek has implement audit to the next tier major suppliers for RBA requirement and ensure the effective that the suppliers implement the RBA.