久久久久国产精品aⅴ天堂,成人性生交A片免费直播APP ,男女扒开双腿猛进入爽爽免费,日本JAPANESE少妇高清

Zhengzhou Haixu Abrasives Co., Ltd., is an professional supplier of chromite sand with min 46% Cr2O3 purity for foundry, metallurgy and refractory applications. Our company started the business of refractory material in 1999 and established chromite sand & chromite powder plant in Lianyungang bonded area in 2018.

HAIXU’s chromite ore sand is originally from high grade chrome ore in South Africa. We adopt washing, megentic removal, and sieving process with strictly QC standard in our factory in China. Our capacity of foundry grade chromite is 150000 Tons per year. 

The chromite from us is of high purity, high cleanness and low SiO2 impurities. It is compliance with the AFS standard and suitable for no-bake sand casting, shell molding casting, sand casting, resin-coated sand casting and other refractory fields.