1. Hinges are made of stainless steel, pure copper, stainless iron / iron. 304 stainless steel is recommended for household use, which can keep the door in use for a long time. It is not recommended to use 202 "immortal iron". Although it is cheap, the good and bad are intermingled, and it is very troublesome to rust. It is not only expensive but also troublesome to find someone to replace the hinge. Note that the screws used in the hinge should also be matched with stainless steel screws, and can not be replaced by other screws. Pure copper hinge is suitable for luxurious wooden door, price reason

Not suitable for ordinary household use.

  2. Now the electroplating technology is very mature, stainless steel also has a variety of color appearance, can match with different styles of wooden doors. Of course, it's the drawing appearance that is easy to take care of, and the pollution of electroplating industry is also very serious.