Supply-chain segment

Materials companies in China & Asia

Silicon wafers, CMP slurries/pads, photoresists, gases, targets and precursors.

Company	Listing(s)	Region	Products (sourced)
National Silicon Industry Group 沪硅产业	688126.SS	Mainland China	Silicon wafer supplier (300mm and 200mm polished, epitaxial and SOI wafers).
Anji Microelectronics 安集科技	688019.SS	Mainland China	CMP slurries, functional wet chemicals and electroplating chemistries for semiconductor manufacturing.
Jiangsu Nata Opto-electronic Material 南大光电	300346.SZ	Mainland China	Electronic specialty materials: advanced precursors (including MO sources), electronic specialty gases, and photoresists with supporting materials.
Ningbo Jiangfeng Electronic Materials 江丰电子	300666.SZ	Mainland China	Ultra-high-purity sputtering targets and fab equipment components.
Hubei Dinglong 鼎龙股份	300054.SZ	Mainland China	CMP polishing pads and slurries, display materials and printing consumables.
Jiangsu Yoke Technology 雅克科技	002409.SZ	Mainland China	Semiconductor precursors, photoresist-related materials, electronic specialty gases and LNG insulation materials.
GlobalWafers 环球晶圆	6488.TWO	Taiwan	Silicon wafer manufacturer (polished, epitaxial, SOI, SiC and GaN-on-Si) with fabs across Asia, Europe and the US.
Shin-Etsu Chemical 信越化学	4063.T	Japan	World's largest silicon wafer maker (Shin-Etsu Handotai) plus photoresists, PVC and silicones.
SUMCO Corporation 胜高	3436.T	Japan	Silicon wafer manufacturer (300mm and 200mm polished and epitaxial wafers).