Q:What are the international certification of doors and windows hardware?

Do not hear anything on the doors and windows hardware certification. But the market has the European standard slot said. Internationally known as roto and so on

Q:Mainly in the application of nanotechnology materials.

PVD is a physical vapor deposition, is currently widely used in the international advanced surface treatment technology. Its working principle is in the vacuum conditions, the use of gas discharge to the gas or the evaporative material part of the ionization or evaporation of substances in the ion bombardment at the same time the evaporation or its reactants deposited on the substrate. It has the characteristics of rapid deposition and surface cleaning, especially with the film adhesion, good winding, can be widely plated and other advantages.

Q:What is the meaning of the maximum load of doors and windows hardware

Is the weight of the windows of the windows where the hardware is installed

Q:Wide aluminum aluminum doors and windows of the hardware selection principle is what?

Must be good quality, manufacturers have qualified certificates.

Q:How to judge the quality of doors and windows hardware

From the user's point of view, of course, is beautiful, durable

Q:Aluminum alloy doors and windows with hardware accessories What is the difference between ah? Hardware accessories is not a concept, why some people say that hardware is a hardware accessories is accessories.

First of all we all know that the difference between Chinese and North-South culture, there are different customary habits; there will be objections. Just from the hardware of the word it ~ "Hardware": the meaning of which can be said that five kinds of metal together. That "hardware accessories": not five kinds of metal parts of the collectively Well ~? It can be said to include: alloy (zinc alloy, aluminum alloy), copper, metal, stainless steel, gold, silver and other metal types of accessories ~.

Q:Door and window hardware which institutions can identify the authenticity

See you buy the doors and windows accessories which brand, if it is a shield, you can call customer service inquiries

Q:Now the most famous doors and windows hardware top ten brands which is it?

Kennedy, Lixin, Hong Kong Rongji, Hehe, Noto. Georgia House, the country strong, Sikiya, Lai's hardware, Cheung Shing hardware.

Q:Germany Silkiah doors and windows how hardware

One of the three major windows and doors hardware, product quality is very good, please own home, then please rest assured, but the domestic seems to use more of the German Noto, but also almost heard that the three products are a factory production, Bo, hearsay, ah, I can not get out of this year, a few sets of Siligia, not COPY, their own views

Q:Doors and windows hardware 9 Series, 13 Department is what

1, stainless steel handle and stainless steel Other "hardware" can be used bright detergent scrub, can increase the light. 2, hinges, hanging rounds, casters and other moving parts in the long-term movement may be due to the adhesion of dust and reduce the function, every six months to put one or two drops of lubricants can adhere to its smooth. 3, in particular, pay attention to the direction of rotation of the handle pull, avoid the use of force. Especially to teach children, do not hang in the door handle on the swing, both prone to danger and may be harmful to the inner door.