尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

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.