With features of high temperature resistance, corrosion resistance, abrasion resistance and insulation, ceramic can work in many kinds of semiconductor production equipment with condition of high temperature, vacuum or corrosive gas for a long time. Made from high-purity alumina powder, processed by cold isostatic pressing, high temperature sintering and precision finishing, it could reach the dimension tolerance to ±0.001 mm, surface finish Ra 0.1, temperature resistance 1600℃. Here is the characteristics of alumina ceramic with different purity.Spray Granulation →ceramic powder → Forming → Blank Sintering → Rough grinding → CNC Machining → Fine Grinding → Dimension Inspection → Cleaning → PackingPlace of Origin: Hunan, China Material: Alumina Ceramic HS Code: 85471000 Supply Ability: 2000 pcs per month Lead time: 3-4 weeks Package: Corrugated box, foam, carton Others: Customization service available1. A complete set of our own team to support your selling. We have outstanding R&D team, strict QC team, exquisite technology team and good service sales team to offer our customer the best service and products. We are both manufacturer and trading company. 2. We have our own factories and have formed a professional production system from material supplying and manufacture to sale, as well as a professional R&D and QC team. We always keep ourselves updated with market trends. We are ready to introduce new technology and service to meet the market needs. 3. Quality assurance. We have our own brand and attach much significance to quality.1. About price: The price is negotiable. It can be changed according to your quantity. 2. About samples: Samples need sample fee, can do freight collect or you pay us the cost in advance. 3. About goods: All our goods are made of high-quality materials. 4. About MOQ: We can adjust it according to your requirement. 5. About OEM: You can send your own design and we will make according to your drawings. 6. About exchange: Please email me or chat with me at your convenience. 7. High quality: Using high quality material and establishing a strict quality control system, assigning specific persons in charge of each process of production, from raw material purchase to pack. 8. Mold workshop, customized model can be made according to the quantity. 9. We offer the best service as we have. Experienced sales team are already to work for you. 10. OEM is welcome. 11. How can we guarantee quality? Always 100% Inspection before shipment; 12. Can I visit your factory? Warmly welcome to visit our factory! 13. Are you factory or trading company? We are factory and with Export Right. It means factory + trading.