A. Before assembling, it is necessary to remove various impurities in the tube so as to avoid damaging cartridge, causing blocking, clogging and seeping. Besides, it is required to clean the surface of faucet without any remnants of building materials.
B. For any kinds of faucet products, the handles can only be turned or pulled lightly without need of too much force. For products with filtration mask, it is necessary to remove and clean impurities after use for a period of time. For products with hose, it is required to keep a naturally extensive state so as to avoid breaking.
C. The surface of faucet shall be cleaned with clean cloth with a little detergent. It is not allowed to clean with metal wire ball or cloth with hard particles. Besides, it is not allowed to damage faucet surface due to collision with hard matter.

D. Sometimes water faucet may be leaking, handle loosen and other cases, which can be settled by consumers by themselves. In case that the water faucet of screw rubber ring cannot be closed absolutely, it may be blocked by hard things. Then remove valve cap, clean impurities around cartridge and assemble again for normal use. In case that ceramic cartridge cannot be closed absolutely, it is may be due to sealing face damaged by hard things or the pretension force for cartridge is not sufficient. For the former problem, it is necessary to send it to after-service department or specialized maintenance department for repair. For the latter reason, user can remove handle (hand wheel) and tighten the cartridge slightly.
E. The handle (hand wheel) may be loose for two reasons: Firstly, during assembly, the handle (hand wheel) has not been fastened, please tighten the fixing screws. Secondly, the handle (hand wheel) has bad quality, the clearance between handle (hand wheel) and cartridge is increased due to earlier oxidation and corrosion, which cannot be solved. Therefore, you had better not to choose low level faucet.

F. The leaking for connection of faucet may be caused by not tightening during assembly. It can be solved by fastening again. Sometimes, a faucet looks perfect in various fields, but it may have a feeling of endless dripping after closing. By this time, you shall observe the time and amount of dripping. Longer dripping time may last for 4 or 5 minutes around a dozen of drops totally. The water volume dripping is equivalent to remaining water inside the faucet mouth after water supply is closed, which shall be a normal phenomenon.
G. After use for a period of time, in case that water flow is decreased, even flameout for water heater, it may be caused by clogging of filtration mesh for water faucet. Remove bubbler lightly in the outlet, remove filtration mask, clean impurities, the faucet will be recovered as a new one.
H. So long as it is used properly and maintained timely, water faucet of high level and good quality will maintain its brightness.