四方科技：罐式集装箱产品以出口为主，主要是欧美客户

Group 1 - The core viewpoint of the article is that Sifang Technology (603339) primarily focuses on exporting its tank container products to clients in Europe and the United States [1] - The company employs a direct sales model, where the sales department directly engages with customers to achieve cooperation goals and sign sales contracts [1]