Guangxi Tanghan Zinc & Indium Co., Ltd. was founded in May 2000. We are a private-owned smeltery company. Our company is headquatered in Nandan, a county in southwestern China that has rich zinc and lead reserves. We are near main roads, railways and the planned Hechi Airport for easy transportation access. We have two production lines, offering every year 50,000 tonnes of zinc calcine, 7,000 tonnes of zinc oxide, and 90,000 tonnes of 98# industrial grade sulfuric acid. We adopt advanced manufa...