印度采购需求：硼酸、氟化镁、高纯锑、氧化硒、硅基体、硅柱

We're currently in the market for a 6-inch silicon crystal featuring both a shoulder and a tail. The desired crystal length is 500mm. Additionally, we need 6-inch square wafers to complement this order. Could you please provide us with your best quotation at your earliest convenience? It would be greatly appreciated as we are looking to finalize our procurement soon. Thank you!