Whole Win (Beijing) Materials Sci.&Tech.Co., Ltd. is a high-tech enterprise in Zhongguancun Science Park, which is engaged in the research, development and production in the area of new materials and energy. Our main products include hydrogen storage alloys, hydrogen storing & purifying containers, gas generators, all kinds of metal powder and many kinds of rare-earth metals. Our company also sells almost all kinds of non-ferrous metals including various kinds of rare metals and noble ...