| 1. | Besides titanium dioxide , we offer hualu brand ferrous sulfate heptahydrate which is highly pure and suitable for use in manufacture of magnetic iron oxide and as flocculant , disinfectant , iron supplement , etc
同时，副产的“华绿”牌七水硫酸亚铁，杂质含量低，主要应用制造磁性氧化铁净水剂消毒剂和复合肥料添加剂等。 |
