Our company conducts due diligence to source areas and chains of custody of 3TG (tin, tantalum, tungsten and gold) minerals for all products according to the document of “OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-affected and High-Risk Areas”, and promises we will not purchase materials from non-compliant smelters and will not encourage direct or indirect benefits of Congo or armed groups that seriously violate human rights. Our company strictly complies with related codes of conduct of EICC (Electronic Industry Citizenship Coalition) and GeSI (Global e-Sustainability Initiative) in electronic industry and requires our suppliers to provide the newest reports of due diligence on a regular basis.