White barite 92%

About Top Trading Founded in 2012, Zhengzhou Top Trading Company Ltd. is a professional chemicals supplier in oil & gas industry. Top Trading is committed to providing the high quality products and service for oil & gas blocks in the world. In recent years, Top Trading has established the market of North & South America, Middle East and South Africa, depending on specialized knowledge, high quality products and service. What's more, there is the age...