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

9 and 13 refers to the activities of the doors and windows of the space, that is, doors and windows in the closed state, from the fan only the middle of the metal slot to the outer surface of the box outside the vertical distance. The difference between 9 and 13 generally reflects the size of the doors and windows to select the lock block and the specifications of the hinges.

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:How do the window leak? Is there a good solution?

Three reasons: doors and windows hardware accessories do not force the window is another important reason for air leakage. Mainly the sealing parts are in trouble. The most common is the aging of the seal cracking, a direct result of the deterioration of the window sealing performance; there is a soak is too soft, the use of a few years after the occurrence of powder, resulting in the gap between the window frame and the wall Air leakage. Solution: you can replace the seal, the use of EPDM rubber is better, or less quality rubber and plastic can also be; if their operation can not, looking for the street to do the plastic window shop workers to replace the cost will not too much. As for the styrofoam, need to find workers to operate, styrofoam curing, the owners can pinch their own, strenuous to be able to pinch the quality is better.

Q:Door and window hardware accessories

Door and window hardware accessories process 1, the production process quality doors with metal surface smooth, smooth, no pores, burrs, defects and other phenomena, the details of the process, especially see the excellent. This and high-quality hardware products and more use of large forging machine forging is not unrelated to the high strength of the mechanical force to make the material density becomes very high, and then after dozens of precision machine polishing polishing process to make the product as bright as a mirror Extraordinary effect. In contrast, the poor use of hardware products due to the use of small die-casting machine and simple lathe processing production, the general structure of loose, visual inspection that can be found on the surface of the pores, silk, cracks and so on and uneven phenomenon. 2, electroplating process High-quality doors with metal products, the electroplating layer is often bright and uniform, natural color, good density, the coating has a solid sense of visual inspection. The poor quality of the door with the hardware products, the coating shiny dark, thin coating within the short term easy to rust, wear, peeling, blistering.

Q:What is the glass door and window hardware? Or only belong to stainless steel

Do not belong to the doors and windows of the hardware, a professional glass point pieces.

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:Noto broken bridge aluminum window hardware how much money a set

65 series: 650 yuan / square meter open fan: 800 yuan / fan 82 series: 1,000 yuan / square meter open fan: 1,000 yuan / fan 110 series: 1150 yuan / square meter open fan: 1,100 yuan / fan 130 series: 1250 yuan / square meter open fan: 1,200 yuan / fan

Q:Germany Silkiah doors and windows how hardware

Silkia-Frank was founded in 1914 in Germany, the city's long manufacturing experience, so that the Silkia called today's high-end window hardware and monomer ventilation of the leading enterprises. In 1999 my company from the German Krupp Group merged with another well-known German hardware manufacturing company Aobei (AUBI). January 1, 2003, the two companies were officially merged into Silkia - Opie company. On July 31, 2006, Siligia-Opel acquired the KFV, Europe's largest manufacturer of door locks, to further expand and refine the product line. Siglio-Olympi Group has a total of 6,000 employees in Germany, with annual turnover of more than 6 billion yuan, Germany and Europe is one of the largest window hardware manufacturers

Q:What are the general hardware and special hardware for doors and windows in construction works? How to distinguish what is ordinary hardware which is a special hardware?

Special hardware: valuable hardware and the owners that should be a separate list of hardware accessories The rest can be identified as ordinary hardware