TDG Holding Co., Ltd.

Chinese maker of magnetic materials, crystal materials and related equipment

What TDG does

TDG Holding makes the magnetic parts found inside electronics. Examples are ferrite sheets for phone NFC antennas, cores for wireless chargers and LED power supplies, and parts that cut electrical noise. It also produces sapphire and piezoelectric crystal materials and builds the equipment used to make powders and grow crystals.

How TDG makes money

It earns money by selling electronic materials, magnetic and microwave components, and crystal products to electronics, automotive and new-energy manufacturers in China and abroad. It also sells electronics manufacturing services and industrial equipment for making powders and processing crystals.

Products & services

• Soft ferrite and NiZn ferrite cores
• Ferrite sheets for NFC antennas
• Metal powder cores and molding choke inductors
• Sapphire crystal products
• Piezo-electric crystal materials
• Crystal growth and powder materials equipment