China-Places.com listou aprox 39 Empresas comerciais dentro Heilongjiang. Alguns dos mais bem avaliados Empresas comerciais dentro Heilongjiang estão- Fuyu Supply And Marketing Trade General Company, Gannan Supply and Marketing Corporations Overbridge Trading Company, Tongjiang Changtian Economic Trade Co.Ltd., Fuyu Supply and Marketing Trade General Company, Empresa econômica e comercial de Tongbei Xinda, Yi'an Jinding Trading Co.Ltd., Yi'an Haifeng Trading Co.Ltd., Gannan Supply And Marketing Corporations Arts and Crafts Trading Company, Gannan Supply and Marketing Corporations Overbridge Trading Company & Harbin Ruihua Materials Economic and Trading Co. Ltd. No.1 Huochang.