Who principally owns the parent company of Hindustan Zinc Limited  ?
Hindustan Zinc Hindustan Zinc Limited (HZL) is an integrated mining and resources producer of zinc, lead, silver and cadmium. It is a subsidiary of Vedanta Resources PLC. HZL is the world's second largest zinc producer. Its FY2015 revenues were Rs. 147.9 billion.
Pangang Group Vanadium Titanium &amp; Resources Pangang Group Vanadium Titanium & Resources Co., Ltd. (), parented by Panzhihua Iron and Steel, involves in the manufacture and sales of iron, steel and vanadium products. It is headquartered in Panzhihua, Sichuan, China.