Songchen Steel’s prefab container houses have a perfect after-sales service system, which provides all-round technical support and service guarantee for global customers, and is a reliable partner for customers in modular building projects. The company provides a 2-year free warranty service for the prefab container house products, and the wearing parts are provided with a 1-year free warranty service, and the damaged parts within the warranty period can be replaced free of charge. The company has established after-sales service centers in major regions around the world, with professional after-sales service personnel and maintenance equipment, which can provide on-site maintenance service within 48 hours after receiving the customer’s maintenance request, ensuring the normal use of the product. The company provides a full range of spare parts supply service, with a large number of spare parts in stock in the global after-sales service centers, which can realize the rapid supply of spare parts and meet the customer’s maintenance needs. In the large-scale infrastructure construction project in Nigeria, the company’s after-sales service team provided on-site technical support and maintenance service for the prefab container house products used in the project, solving the product use problems encountered by the customer in a timely manner, and ensuring the smooth progress of the project. The company has a professional customer service team, which provides 24-hour online consulting service, answering the customer’s questions about product design, production, installation and use in a timely manner. The company regularly carries out return visit service for customers, understanding the product use status and customer needs, and continuously optimizing the product performance and service quality according to the customer’s feedback. The prefab container houses support the upgrade and transformation service, and the company can provide professional upgrade and transformation solutions for the customer’s existing products according to the customer’s new needs, extending the service life and improving the use value of the product.