Guangdong WELLCAMP BUILDING MATERIALS CO., LTD places great importance on raw materials used in the manufacturing of expandable container house-prefab houses for sale. Each batch of raw materials is selected by our experienced team. When raw materials arrive at our factory, we take good care of processing them. We totally eliminate defective materials from our inspections.. With the rapid globalization, delivering a competitive WELLCAMP, WELLCAMP prefab house, WELLCAMP container house brand is essential. We are going global through maintaining brand consistency and enhancing our image. For example, we have established a positive brand reputation management system including search engine optimization, website marketing, and social media marketing.. In order to deliver satisfactory service at WELLCAMP Prefab-House, we have employees who really listen to what our customers have to say and we maintain a dialogue with our customers and take note of their needs. We also work with customer surveys, taking into consideration the feedback we receive..