A world supplier of rare earth products. The products of Hefa are divided into three groups, seven series and over fifty varieties. The main products include single rare earth oxide, rare earth chloride, rare earth carbonate, rare earth nitrate; rar

A world supplier of rare earth products. The products of Hefa are divided into three groups, seven series and over fifty varieties. The main products include single rare earth oxide, rare earth chloride, rare earth carbonate, rare earth nitrate; rar

A world supplier of rare earth products. The products of Hefa are divided into three groups, seven series and over fifty varieties. The main products include single rare earth oxide, rare earth chloride, rare earth carbonate, rare earth nitrate; rar

A world supplier of rare earth products. The products of Hefa are divided into three groups, seven series and over fifty varieties. The main products include single rare earth oxide, rare earth chloride, rare earth carbonate, rare earth nitrate; rar