- Such products are solar cells produced from crystalline silicon as raw materials, photovoltaic modules composed of solar cells and BIPV products, these products are only part of our products, there are other models and specifications have not been released, You can consult our sales staff, Ma e mafai ona tatou faʻataʻitaʻia mo oe e tusa ma ou manaʻoga pe a e faʻatau se numera tele.