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N-type conductive tin sulfide films for environmentally friendly solar cells has effect on the MnO2 Powder market

News March 12,2022

N-type conductive tin sulfide films for environmentally friendly solar cells has effect on the MnO2 Powder market Tin sulfide (SnS) is a kind of abundant, safe and environmentally friendly solar cell material. The cheap material is expected to be use…

Application of seal on oil film bearing of rolling mill and the king bearings market trend

Selenide Powder March 12,2022

Application of seal on oil film bearingof rolling mill Oil film bearing is also called liquidfriction bearing. In the process of rolling the mill, liquid lubrication isused to form a complete pressure oil film between the cone sleeve and bushing.The…