Shandong Huasheng Chemical Technology Co.,Ltd.

HW21 chromium-containing waste (193-001-21, 193-002-21, 261-042-21, 261-043-21, 336-100-21), HW17 surface treatment waste (336-060-17), refractory materials Collect, store and utilize waste high-chromium refractory bricks; vitamin K3, dimethylpyrimidinol menadione sulfite, nicotinamide menadione hydrogen sulfite, industrial protein, retanning protein filler for tanning, water-soluble fertilizer containing amino acids , industrial chromium oxide, chromium oxide green, production and sales of chromium oxide for refractory materials; production and sales of tanning agent (basic chromium sulfate complex) and its technology research and development services; chromium sulfate, menadione, sodium sulfate, nicotinamide , sodium bicarbonate, sodium formate, nicotinic acid, chromium picolinate, chromium niacin (excluding storage) sales; operating the export business of the company's self-produced products and technologies and the mechanical equipment, spare parts, raw and auxiliary materials required by the company and technology import business (except for goods and technologies that are restricted by the state or prohibited from import and export). (Businesses that require approval according to law can only be carried out with approval from relevant departments)