After years of development, Hebei Grand Group has become the largest industrial base of zinc sulfate and other trace elements in the country. The designed output reaches 70,000T / year, and the zinc heptahydrate is 35,000T / year and the nanoactive zinc oxide is 35,000T / year. Products covered zinc sulfate, zinc oxide, manganese sulfate, copper sulfate, ferrous sulfate, iodine selenium and cobalt, and other multi-series products to meet the different needs of different industries. With a reliable quality, content enough, high fineness, low content of heavy metals. Safe and reliable products. With its stable quality and excellent service, COSCO Zinc Sulfate exports to more than 30 countries in the world, such as the United States, Canada, Australia, France and Colombia. 

Based on the enterprise spirit of "honesty, objectivity, innovation and excellence", the Group advocates the principle of environment-friendly and protective development, and is willing to contribute to the sustainable development with colleagues from all walks of life.