The testing of faucets and showerheads involves multiple aspects to ensure the quality and performance of the products. The testing content includes appearance integrity, dimensional accuracy, flow and pressure testing, sealing performance testing, corrosion resistance and hygiene performance testing, etc. Life testing is an important part of evaluating product durability and expected service life, verifying product reliability by simulating long-term usage environments. These testing measures together ensure that faucets and showerheads can provide users with stable and safe high-quality services during use.