Bismuth Trioxide for welding, for CRT, spec: Bi2O3: 99.9% min. Sb: 20ppm max. Fe: 10ppm max. Pb: 10ppm max. Cu: 10ppm max As: 10ppm max. Si: 10ppm max. Hg: 10 ppm max. Cd: 10 ppm max. Cr: 10 ppm max.....
Luoyang Huayang Special Heavy-Duty and Large Bearing Manufacturing Co., Ltd. can produce slewing bearings, split bearings, rolling mill bearings, wind power generation bearings, radar bearings,....