Tiazhou Hisound Chemical Co., Ltd. is a stock enterprise established by Zhejiang Xianju Pharmaceutical Company Ltd. Our company specializes in vitamin D series products including cholecal ciferolol, cholecal ciferol beadlets and ergocalciferol etc.

Our company owns advanced manufacturing equipment, first-grade manufacturing technique and a group of well qualified staff members with professional technology and ability. It has established a set of product quality control system to assure that the semi-product and finished products can reach the clients' professional requirements. Our company was authorized to produce feedstuffs grade vitamin D3 capsule by Department of Agriculture and was registered in Europe and America. The manufacturing technology of medicine grade vitamin D3 ranks first in the world.