Weifang Banghua Chemical Co., Ltd. is a chemical production enterprise specializing in sodium pyrosulfite, food grade sodium pyrosulfite, industrial grade sodium pyrosulfite, baking soda, calcium chloride, magnesium chloride and sewage grade polyaluminum chloride. Founded in 2009 with a registered capital of 10 million yuan, the company invested 100 million yuan to build a new plant in 2017 to expand the production capacity of sodium pyrosulfite to 180000 tons per year, with a main content of more than 97.5%. The company's products are mainly exported and have stable quality. The company has an independent process R&D organization. Based on the development of circular economy and new energy economy, it is the power source for the sustainable development of the enterprise. Relying on the production process of sodium pyrosulfite, the heat energy released by sulfur combustion is converted into steam for the production of calcium chloride and magnesium chloride, which greatly reduces the production cost of calcium chloride and magnesium chloride; It is used in the whole production process of sodium carbonate, which is not only environmentally friendly, but also used to collect any waste gas in the whole production process of sodium carbonate. The company is located in Shandong Weifang Binhai Economic Development Zone in the northwest of Weifang, the capital of kites in the world, and adjacent to Laizhou Bay in the Bohai Sea in the north. It has a vast territory, flat terrain, mild climate, abundant brine resources under it, sufficient power and water sources, roads, railways and water transportation extending in all directions. It is an important base for the production and export of marine chemical products in China. Our company has strong technical force, advanced equipment, perfect production management and sound quality assurance system to ensure the output and quality of products. The company implements the strategy of taking quality as its life and export as its leader. In the spirit of sincere unity and striving for enterprise spirit, the company adheres to high starting point and high standard, and promises to provide products and services for our customers.