1.      metallurgy industry: As precipitating and separating function for Rare-earth metal.

2.      In pharmaceutical industry: Used in Tetracycline, Oxytetracycline, Phenobarbital, and Borneol, etc.

3.      In light industry: Polishing for Marble, rust-remover, bleaching, dirt-remover leather-processing, wood, and aluminium products etc.

4.      In Dyeing and printing industry: As reducing agent for dyeing and printing industry, as bleaching agent for textile, substitute for Acetic acid, as coloring mordant for fast pigment dyestuff.

5.      In organic synthetic: Used in 2133 resin, urea-formaldehyde molding powder, Butadiene catalyst, etc.

6.      In electron industry: Preparation of chemicals raw material for porcelain capacitor, preparation of electron equipment detergent.

7.      In other aspects: Analysis reagent, raw material of chemicals.

Reducing agent and bleaching agent

The dissolvent of antibiotic and camphol producing and rare metal refining, Dye redactor, tanning agent.

Oxalic acid can be also used for producing of Cobalt - mo - aluminum catalysts, detergent of metal and marble, bleach of textiles. It is widely used in metal cleaning, rare-earth element extracting, printing and dyeing textile, leather-working, catalyst, etc.