Sodium metabisulfite is white or yellow crystalline powder or small crystals, with a strong smell of SO2, the aqueous solution is acidic, and strong acid contact releases SO2 and generates the corresponding salts, long in the air, it is oxidized into Na2S2O6, so the product can not be long.

In food processing as a preservative, bleach, loose agent. Industrial sodium sulfite for printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; Sodium metabisulfite is used in the chemical and pharmaceutical industries for the production of insurance powder, sulfamedimethyrimidine, caprolactam and chloroform, phenylpropanone and benzene Chemicalbook formaldehyde purification. Used in the photographic industry as a fixative ingredient. The spice industry is used to produce vanillin. Used as preservative in brewing industry, rubber coagulant and dechlorination agent after cotton bleaching. Organic intermediates, dyes, leather used as reducing agents used in electroplating industry, oilfield wastewater treatment and used as mineral processing agents in mines.

AIHENG Industry, which is a ISO9001:2008 company, was set up in 2000. With rapid development of our company, now our annual production capability reaches 30000 tons of chemical goods and 50000 tons of water purity goods. Our goods are widely exported to North America, South America, Asia, Europe and Africa.

AIHENG  continuously tries to enlarge production scale, expands our product lines, improves our product quality and perfects after-sales service to enhance our reputation. We get praise and favor from both domestic and abroad customers.

Our main products include formic acid, oxalic acid, sodium formate, calcium formate, melamine powder, PVC, calcium cloride, potassium formate, adipic acid, sodium sulfide, maleic anhydride, etc.