Hardware can be individually purposes , you can also do to help appliances. Such as hardware tools, hardware components , hardware, architectural hardware and security supplies. Most hardware products is not the final consumer . But as industrial manufacturing complementary products, semi-finished products and production processes used tools. Only a small part of household hardware products ( accessories ) is a tool for people's lives must be consumer goods . More attention to the following aspects when purchasing hardware accessories. Select copper     From the material , the metal pendant copper, stainless steel, aluminum , alloys, plastics and other types. Suggest that you buy brass fittings. The reason is very simple , oxidized aluminum alloys will rust , plastic deformed , stainless steel is really hard , but if it is a problem with the quality of stainless steel does not rust can not be guaranteed . Through good copper plating does not have these problems . Especially the base, waterproof moisture or copper is good.     Smooth election Choose pendant hardest coating is to see , because for the average consumer , rough look basically the same. Coating is essential for copper pendant , it relates to the life of the product , finish and wear resistance . Meanwhile pendant copper coating is also the largest cost in the production process where the addition of copper embryo. Specific plating process will not say more . Then how to determine a key copper coating and the bad? Nice shiny black coat , there is a feeling moist , while the poor coatings are glossy dark . Good coating is very smooth , and the poor quality of the coating closer look will find wavy undulating surface . There is certainly a surface depression inferior products . Good coating relatively resistant, Marketplace merchants put out every day to wipe samples , basically can not see a good product surface scratches , but inferior to the surface of the product will be packed scratches.