Visualize the entrance of a modern pharmaceutical factory, featuring a sleek and professional design. At the forefront, a large sign prominently displays the characters "YANGTIAN" in bold, elegant lettering, illuminated to attract attention. The factory building is constructed with a combination of glass and steel, reflecting a commitment to innovation and quality. Surrounding the entrance, well-maintained landscaping adds a touch of greenery, with colorful flowers and neatly trimmed hedges. The overall atmosphere conveys a sense of advancement in the pharmaceutical industry, inviting visitors into a space dedicated to health and progress.