“Yi Yun” iron bathtub was the porcelain with bright and smooth surface, beautiful appearance and elegant features. Compared with similar products, our products are living longer, good insulation properties from acid, alkali. It adopted wear-resistant, non-staining material, easy to clean, non-radioactive elements and toxic substances. Moreover, our products also comply with the latest green and healthy concept of environmental protection, national, provincial ministries and departments through the test. “Yi Yun” brand sanitary indicators have reached or exceeded the national standard can be comparable to similar products with the world.