Key Players
- AEGISCO
- AGC Inc
- Chongqing Zhenbao Technology Co. Ltd
- Coherent Corp
- Coma Technology
- CoorsTek Inc
- Creative Technology Ltd
- DS Techno Co. Ltd
- Entegris
- Ferrotec Corporation
- Hana Materials Inc
- Hangzhou Hongxin Micro Semiconductor Co. Ltd
- Hebei Sinopack Electronic
- Heraeus Holding GmbH
- Huzhou Dongke Electronic Quartz Co
- K Insulators
- KC Parts Tech
- Krosaki Harima Corporation
- Kumkang Quartz Ltd
- Kyocera Corporation
- MARUWA Co. Ltd
- Mersen
- MICO Inc
- Mitsubishi Materials Corporation
- Morgan Advanced Materials
- NTK CERATEC
- One Semicon Co. Ltd
- RS Technologies Co. Ltd
- SGL Carbon
- SHINKONG
- SICREAT (Suzhou) Semitech Co. Ltd
- SKC Solmics
- Schunk Xycarb Technology
- Shanghai QH Quartz
- Shanghai Ustron Quartz Glass Co. Ltd
- Shenyang Hanntek
- Shin-Etsu
- Silfex Inc
- Sumitomo Osaka Cement Co. Ltd
- TOTO Ltd
- Technetics Group
- Techno Quartz Inc
- Thinkon Semiconductor
- Tokai Carbon Co. Ltd
- Tosoh Quartz Corporation
- Toyo Tanso Co. Ltd
- Tsukuba Seiko
- Wonik QnC (Momentive)
- Worldex Industry
- Wuxi Rigetech
