Shanggao County Polysilicon Mining Co., Ltd. (Shanggao County Polysilicon Quarry) was established on August 15, 2004. It is a factory integrating quarrying, production, processing and sales (4-400 mesh powder and 10-100 mesh quartz sand (powder)). With the development of science and technology, the demand of customers increases, and the requirements for powder fillers also increase, In 2011, the company established the powder deep processing (Shanggao Poly Silicon Mining Co., Ltd.), which mainly produces 400-3000 mesh powder fillers. The company has advanced production technology and modern management concept. It is a direct marketing company engaged in the mining, production, processing, R&D and sales of quartz sand (powder), calcium carbonate, dolomite powder, calcite powder, wollastonite powder, and light calcium carbonate. Due to the company's own mineral development rights, the raw ore price is affordable, and the product has the advantages of high purity, high whiteness, tasteless, good dispersion, excellent coverage, excellent affinity, and good thermal stability. Products are widely used in: plastic gusset plates, plastic masterbatches, plastic steel shapes
