... a great number of large-scaled chrome suppliers in South Africa, India, Turkey, Philippines, both concentrate and lump, at foundry, chemical and ... GradeCr2O3 42% minSiO2 3% maxSize 0-1 mm 90% min Indian ChromeCr2O3 54% minSiO2 1% maxCr:Fe 3:1Turkey LumpCr2O3 47 ... % minSiO2 2% maxCr:Fe 3.16:1 Our chrome processing factories locates in Shanghai, Tianjin and Dashiqiao, with independent ...