In Wuwei, a city located in the northwest region of China, there are several types of trade companies operating in the city.

1. Large-scale Trade Companies: These companies operate large-scale businesses, including manufacturing, logistics, and services. They may have branches or subsidiaries across China, with operations in major cities such as Beijing, Shanghai, Guangzhou, etc.

2. Medium-sized Trade Companies: These companies operate medium-sized businesses, including retail, wholesale, and service sectors. They may have branches or subsidiaries across China, with operations in major cities such as Beijing, Shanghai, Guangzhou, etc.

3. Small-sized Trade Companies: These companies operate small-sized businesses, including manufacturing, construction, trade, transportation, warehousing, and other types of business activities. They may have branches or subsidiaries across China, with operations in major cities such as Beijing, Shanghai, Guangzhou, etc.

In Wuwei, the large-scale trade companies, medium-sized trade companies, and small-sized trade companies operate in various sectors and industries, including manufacturing, retail, wholesale, service sectors, construction, trade, transportation, warehousing, and other types of business activities. They may have branches or subsidiaries across China, with operations in major cities such as Beijing, Shanghai, Guangzhou, etc.