The registration address of hebei circumpolar chemical materials ltd. Is located in the hebei river inter-economic development area (east region), with the registration authority being the inter-river market supervision authority, with legal representatives yang changbo, operating on behalf of a water treatment agent, glass cotton production and sale; the processing and sale of composite thermostats; the processing of sulphuric acid, hydrochloric acid, sodium hydroxide sodium [at 30 per cent content], orthophosphate, sodium sodium sodium hypochlorate solution [with active chlorine > 5 per cent], sodium nitrite, sodium sulphate, trichloride, iron trichlorfide, aminochloride, ammonium sulfide, ammonia sulfide, ammonia soluble [amine > 10 per cent], sodium dichloride, sodium hydrochloride, sodium hydrate (with no storage of the above until 13 october 2024); the design and construction of energy-saving services; (projects subject to legal approval may not operate without the approval of...