Joinway Mining Co.,Ltd is one of subsidiay companies of Hunan Kingstone Mining (Group) Co.,Ltd, which specialize in selling zinc powder and zinc ash. Hunan Kingstone Mining (Group) is founded in Nov. 16th,2001 that covers 10000 square meters.It integrates mining ,dressing,melting and deep procession of non ferrous metals.Brand "kingstone" of zinc ingot and zinc powder has got great popularity both here and abroad.Hope to build business relationship with you!