Min. Order Reference FOB Price
150 Pieces US$350.00-500.00 / Piece
Product Description
Product Description Helium is a colorless, odorless, and tasteless monoatomic gas with an atomic weight of 4, a density of 1.78 g per 1 at 0°C and 1 atmosphere pressure. After hydrogen, helium is the most abundant element in the universe; these elements are believed to represent 76 and ...