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Some of the products listed on our trading platform have been certified by our partners, Solar Energy Research Institute Singapore (SERIS) and Evans Analytical Group (EAG); trusted testing laboratories to ensure that price matches quality. Whenever a product is certified, it is clearly indicated next to the batch number.

SERIS is Singapore’s national institute for applied solar energy research. Their laboratories are equipped with state of the art modern equipment for the testing and certification of wafers and polysilicon. SERIS comprises of international staff with extensive experience in the solar industry.


EAG is the world’s largest independent commercial materials characterization and surface analysis laboratory network. They have unmatched technology infrastructure that ensures efficient sample handling and greater security. EAG is the most recognized company internationally for the testing of solar grade polysilicon impurities content level.