We introduced the advanced well-distributed air grinding, rolling vacuum smelting furnace, low oxygen powder making line. Using the technics that Hydrogen breaks up the alloy，we have developed and produced N, H, SH, UH, EH, AH，such as annular products, tile-shaped products and square piece products, and have more than 400 kinds of products in specification , with the advanced technic of galvanization and processing in domestic.