LT implements strictly management system standards and strictly audit each supplier. Nowadays we have a large supplier grating system and the system will audit all the suppliers and make the strict grading quarterly.

•      Tier 1 Supplier

       Agents, authorized distributors, manufacturers.

•      Tier 2

       OEM, ODM, EMS factories.

•      Tier 3

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

•      Tier 4

       Suppliers with an annual turnover of more than $ 20M and more than 10 years experience in components supply industry.

•      Tier 5

       Other suppliers (including new suppliers).