This is a professional installation service for sanitary ware (e.g., toilets, sinks, showers, bathtubs) — sanitary ware products are not included. Our certified technicians provide on-site measurement, positioning, and standardized installation, including water and drainage pipe connection, leak testing, and function debugging. We ensure safe, stable, and leak-free operation of all fixtures, compatible with most mainstream sanitary ware models. Post-installation inspection and guidance on basic maintenance are also provided, suitable for residential and commercial bathroom renovation projects.