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Dear Sir/Madam, We are an established company in Korea since 2009, focusing on specialty chemical supplying to KR customers which are top-notch semiconductor manufacturer in the world.Recently, we have been developing and supplying polishing compounds for glass and optical lens from our existing clients especially in our home country of Korea, such as Amkor Technology, Samsung, Hynix, and LG Micron.Parameter Guideline1. cerium oxide CeO2particle size : 380 nm (plus minus 20) 1.2 micron (plus minus 0.2) 2. silicon dioxide SiO2particle size : 30nm and 80nm3. colloidal silica CeO2particle size : 70 to 100 nm silica concentration : 40 (plus minus 5) weight percentage 4. zirconia ZrO2 + Zn(CO3)2Particle size: 1.1 to 1.6um5. carborundum SiCParticle size: 27 to 11umOur monthly buying quantity is around 25 tons.We hope to hear from you soon with your best quotation for long term transaction.David Lee.Company Name: VSI Street Address: SinLim-dong 51-12 City: Gwan-ak gu Province/State: Seoul Country/Region: South Korea Zip: 872151 Telephone: 82-10-75900223 Mobile Phone: 821075900223
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