Lanzhou Huanghe Zinc Product Co.,Ltd. was founded on the basis of Lanzhou chemical material factory in 2000. It was registered in the Anningyuan area, high-tech industry developing area, mainly engaged in producing zinc series products. It is a modern enterprise of the combination of scientific research , production and sale. We are close to over 10 zinc companies in China too. Over twenty years, the products have developed into 7 series and more than 50 kinds. The total scale has reached 20,000...