A difference of trade company in Nanjing, China, can be described as follows:

1. Legal Structure: The company is typically registered under the laws of China, specifically with the Nanjing Municipal Administration for Industry and Commerce.

2. Trade Operations: These companies engage in international trade by importing goods from foreign countries and exporting them domestically or internationally.

3. Product Diversification: Given Nanjing’s strategic location as a transportation hub, difference of trade companies may specialize in handling various product categories to cater to diverse international markets.

4. Compliance & Regulatory Affairs: As a company operating within the Chinese trade system, it is crucial that the difference of trade company in Nanjing understands and complies with relevant domestic and international regulations.