– Th? hi?n s? chuyên nghi?p c?a nhà s?n xu?t trong khâu ti?p th? s?n ph?m.Shroud-The comfortable iron casing encompassing the electromagnetic lenses of the TEM. Solenoid-An electromagnetic lens fashioned by copper windings that has a direct latest running by it.Vi?c in tr?c ti?p lên chai s? g?p nhi?u r?i ro và chi phí cao h?n Vi?c in tr?c t