Toluene, sulfuric acid, hydrochloric acid, compressed gases and liquefied gases: (2) Methyl ether, flammable liquids: benzene, xylene isomer mixture, methanol, coal tar, corrosives: formaldehyde solution, sodium hydroxide solution wholesale (no storage) (validity period is subject to license), lubricating oil preparation, packaging, sales, motorcycle accessories production Sales, sales of fuel oil, sales of white oil, transformer oil, thermal oil, rubber plasticizer, organic heat carrier, rail oil, grease, antifreeze, rubber products (the above scope does not include dangerous goods), processing and sales of metal products (excluding pre-licensed production projects, excluding national prohibited, restricted, and eliminated production projects).