Stock Name:铜峰电子
Stock code:600237
Power electronic capacitor branch
Chemical material
oxygen
Gold spray
Power electronic capacitor branch
Chemical material
propane
Gold spray
Power electronic capacitor branch
Chemical material
oil
Oil filled capacitor material
Power electronic capacitor branch
Chemical material
Epoxy resin
Dry capacitor filling material
Power electronic capacitor branch
Chemical material
polyurethane
Dry capacitor filling material