We have supplied our Lighting poles to Australia, Columbia, England, Kuwait, Iraq, Philippines, Pakistan and etc.
Our Lighting poles are made from quality sheet through bending,
forming, automatic welding and hot galvanization. We can reach one-run
machining length of 14m and can bend sheet of thickness up to 45mm. We
adopt advanced welding procedures, automatically weld main joints and
reach rank-II welding quality.
Lighting Pole, Transmission Line Pole, Solar Lighting Pole, Single Arm Lighting Pole Jiangsu Xinjinlei Steel Industry Co., Ltd. , https://www.steelpolejl.com
    This process of the invention is a method of fluorite ore flotation, which is a modification of patent No. 87105202 granted. In the prior art, the flotation fluorite ore is an acid addition sleeve and a synergist as a regulator. In the present invention, a composition obtained by mixing an acid with water and one or more soluble salts composed of the acid as a regulator, and forming a series of compositions, that is, any one of sulfuric acid, hydrochloric acid, nitric acid, oxalic acid and acetic acid can be used. The acid and the corresponding salt are in the range of water glass, acid and salt = 1 to 2:1 to 5:0.5 to 1. The invention has strong adaptability, good stability, high quality concentrate, high recovery rate and low cost.