Hoyonn is a specialized company specializing in the development, production, sales and service of functional fillers and additives in the field of polymer materials, efficiently providing customers with targeted technical support and offering them cost-effective product solutions.With 20 years of experience in this field and the pursuit of excellence, all our products aiming at high performance are widely supplied to customers in the field of coatings, plastics, adhesives and other polymers all over the world.Hoyonn focuses on product development innovation and advanced formulation systems, and is committed to continuous improvement of product performance and the pursuit of fruitful technical services to exceed customer expectations.The Main Products:Natural barium sulfate, precipitated barium sulfate, nano barium sulfate, transparent powder, modified matt powder, modified highly glossy powder specially for powder coatings, etc.Our Company Team:Hubei Hoyonn Chemical Industry Co., LtdHoyonn (Hubei) Nanotechnology Industry Co., LtdSivo (Hubei) Polymer Co., LtdHubei Yiniu Chemical Technology Co., Ltd