High Quality Supplier 8inch Semiconductors Polishing Dummy Grade Silicon Wafer. Customizable Specifications: We can customize material, specifications, and optical coating based on your needs. Multiple Size Options: Available in 150mm, 200mm, and 300mm diameters with various thicknesses. High Precision Standards: Strict tolerances for TTV, BOW, and WARP ensuring high quality semiconductor wafers. Fast Inventory Delivery: Delivery time is only 5 workdays for inventory items. Comprehensive Shipping: Supports DHL, Fedex, TNT, UPS, EMS, and SF for global shipping. Flexible Payment Terms: Accepts T/T and PayPal for convenient transactions. 100% Quality Inspection: All finished products undergo visual and function inspection before shipping. Professional OEM/ODM: Experienced sales staff available to meet unique customer specifications.