Electrical components manufacturing
Optical components manufacturing
Metal components manufacturing
Semiconductor materials supply
Plastics manufacturing
Alloy manufacturing
PTFE products
Ceramics products
Powder products
Diamond products
Modules manufacturing
Transmission line and system solutions
Water treatment membrane solutions
Thermal management modules and devices
Cable manufacturing
Research and development
Sustainability initiatives
Financial services for Sumitomo Electric Industries and affiliates
Loan and credit provision
Leasing and asset finance
Risk management and financial advisory