Hubei Hoyonn Chemical Industry Co., Ltd is a joint-stock mining and chemical industry company. It is a comprehensive enterprise which concentrated in mine development, chemical research and manufacture. Our company specialized in the high polymer application fillers production such as natural barium sulphate, precipitated barium sulphate, ground calcium carbonate and sodium sulphate. We also own a small powder coating factory and a filler master batch factory with R&D team, which can provide some professional suggestions to our customers. Hoyonn has over 16 years experiences in chemical industry, we have our own mines and professional teams which support our product to sell all over the world.
     Our main products are natural barium sulphate, precipitated barium sulphate, coated precipitated barium sulphate, which are mainly used in paint, plastic, rubber etc. as filler.