SPT implements ISO9001:2008 management system standards and strictly audit each supplier. Nowadays we have a large supplier grating system, including the detailed information of the existing over 5000 suppliers and the system will audit all the suppliers and make the strict grading quarterly.

Tier 1 Supplier

Agents, authorized distributors, manufacturers

Tier 2 Supplier

OEM, ODM, EMS factories

Tier 3 Supplier

Suppliers with an annual turnover of $ 50M or more and with third-party certification , such as ERAI, IDEA, ISO etc.

Tier 4 Supplier

Suppliers with an annual turnover of more than $ 20M and more than 10 years experience in components supply industry, who has authorized files from manufacturing or disty

Tier 5 Supplier

Other suppliers (including new suppliers), who has authorized files from manufacturing or disty