1) Water Pressure Maximum 5 BAR, Minimum 0.5 BAR, we recommended 3 BAR. If working pressure is over 5 BAR, we recommend using a pressure reducer. 2) Quality of Cartridge Ceramic cartridge can be use normally five hundred thousand times with no leakage and has five-year quality guarantee. 3) Normal Packing Faucet in bubble wrap bags with cloth bag and craft box. Shower Mixer in foam packing. We also accept customize packing. 4) Daily Production Capacity 1500-3000pcs per day. 5) Production Lead time 30 days more or less. 6) Warranty Our tap and fittings are guaranteed for five years from their installation (valid from purchase date). The warranty applies to all manufacturing defects. Application of the warranty stipulates that the warranty has been filled in correctly. The warranty on taps and fittings with finishes and/or parts that are not chrome-plated is limited to two years. The manufacturer is not liable for the following: t Installation not conforming to the conditions of assembly or use (lubrication, seal replacement) t Use of inappropriate cleaning products (corrosives, abrasives, solvents, detergents, acids, etc.) t Breakage or impact during installation or use t Accidental damage due to the presence of firengn matter in pipes (sand, lime, etc.) t Damage due to freezing pipes 7) Payment Term We only accept L/C & T/T. 8) Tips on use Chrome-plated parts or ones with other finishes are to be cleaned with mild soap and water only, using a sponge or soft colth. To clean the aerator, use only a liquid lime-removal product. IMPORTANT: DO NOT USE abrasives or products with a high acidity.