We are the SHANDONG BIO INDUSTRY CO. LTD. Our company has engaged in the research of Zinc Industry many years. The primary products are Zinc Borate (Anheptahydrous Zinc Borate and 3.5 water Zinc Borate), Heptahydrate Zinc Sulfate, Zinc Powder and Zinc Oxide(99.7% and 99.9%). We can provide you the best products with low price. For more information, you can visit our website (www.boaoxinye.com).