Final answer:
Firms should focus on after-sales services in the international market to ensure customer satisfaction, build brand loyalty, and enhance the value proposition of their products.
Step-by-step explanation:
Firms that sell industrial goods in the international market should focus on after-sales services because these services help to ensure customer satisfaction, build brand loyalty, and enhance the overall value proposition of the firm's products. After-sales services include activities such as installation, maintenance, repair, and technical support, which are essential for industrial goods that may require specialized knowledge or assistance. Additionally, quality after-sales services can help address any issues or concerns that may arise post-purchase, demonstrating a commitment to customer support and improving the company's reputation in the global marketplace.