Phoechem Industrial was founed in Shandong Province, China. We are main factory for Sodium Metabisulfite and Formic Acid. We also could supply dyestuffs and Sodium Hydrosulfite.With a nice team in chemical business for more than 15 years, we always dedicated to providing customers with competitively priced products, best service and timely shipment. If you have any inquiry, please let us know. We will quote our best price to you immediately. Many thanks. Cost savings based on high-volume purchasing with lower price.