trad‧ing (ˈtreɪdɪŋ) ●○○ noun [uncountable]

the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries.

trad‧ing com‧pa‧ny (ˈtreɪdɪŋˈkʌmpəni) ●●● noun [uncountable]

a company organized to carry on commerce with foreign nations or in overseas territories. trading companies are specialists that cover all export and import operations and procedures. a trading company buy products in one country and sold them in different countries where it has its own distribution network. this kind of companies mostly work with high production volumes of products such as raw materials, chemicals, generic pharmaceuticals, etc.