Pyrotechnic materials ltd. Is registered at the village of matse, grand city, grand town market supervision authority, with legal representatives liu ziang, and operates on the basis of production and sale of: anion resin, polypropyleneamide, screechant, asteroid, detergent, water-quality stabilizer, odourizer, desulphur, denitrogent, condensant, fungulating algae, detergent, polyurethane products, aluminium silicate products, silicate products and rubber products; sales of rock cotton products, glass cotton products, rubber products, fertilizers, sodium carbonate, hygiene and heating works. (projects subject to legal approval may not operate without the approval of the relevant department)