... content:90%, 92%,95% 2.Factory directly offer 3. large quantity offer 1. Product •Attribute Being made from selected Ningxia ... 92%,93% and 95% with good quality.Owning a large-scale production equipment, a laboratory and testing instrument. Establishing a thorough ... . •Market Our products are marketable in domestic and overseas.The large steel enterprise such as Wuhan Iron & Steel,Maanshan Iron & ...