1.The material of the handrail should have good weather resistance and durability. Balconies, external walkways, roofs and other areas exposed to sunlight and rain must not be made of wood or aged composite plastics. The wall thickness of the metal profiles shall comply with the following requirements:

　　2.The height of the railings and the spacing of the columns must comply with the "Code for Residential Design".gb50096According to the regulations, the height of the free railings in multi-story and lower residential buildings shall not be less than1.05MThe height of the free railings in medium and high-rise residential buildings and above should not be less than1.1mThe height of the staircase section railings and the height of the floor-to-ceiling window maintenance railings should not be less than0.9mWhen the length of the railing in the horizontal section of the staircase is greater than0.50mAt that time, the height shall not be less than1.05M. The clear distance between the vertical bars of the railing shall not be greater than0.11M. When non-vertical poles are used, measures must be taken to prevent children from climbing

　　3.In addition to specifying the style, height, width and material type of the railing design, it should also include the structural details of manufacturing, connection, installation and fixation, as well as the specifications, models and wall thicknesses of the poles

　　4.The top of the masonry railing is equipped with cast-in-place reinforced concrete pressure beams, which are reliably connected to the main small columns. The height of the pressure beam shall not be less than120mmThe width shall not be less than the thickness of the masonry, and the longitudinal reinforcing bars shall not be less than4φ10

　　1The thickness of the steel plate for the embedded parts of the main load-bearing rods shall not be less than4mmThe width shall not be less than80mmThe diameter of the anchor bolt shall not be less than6mmEach embedded part shall not be less than4The length of the reinforcing bars and anchor rods embedded in the concrete shall not be less than100mmThe end of the anchor bolt should be180°Curved hook. When embedded parts are installed on masonry, they should be made with a side length of no less than100mmThe concrete precast blocks have a concrete strength grade of no less thanC20The embedded parts should be poured onto the concrete precast blocks and built together with the wall blocks. No holes should be left and then blocked

2The thickness of the steel plate of the embedded part behind the main load-bearing reinforcement shall not be less than4mmThe width shall not be less than60mm; There should be no less than two bolts embedded in the column, arranged front and back. The connection lines of the two bolts should be perpendicular to the connection lines between adjacent columns, and the diameter of the expansion bolts should not be less than10mm; The embedded parts must be directly installed on the concrete structure or component. Before installing the embedded parts, the decorative materials (including concrete and cement leveling layers) should be removed from the decorative parts.

Foshan Weilihuang Trading Co., Ltd. is a leading manufacturer specializing in the production and sales of international and domestic stainless steel hardware accessories and its own brands. The company is located at Tianjinli Hardware Accessories Center, Lanshi 2nd Road, Chancheng District, Foshan City, Guangdong Province8seat10-12The number (i.e., the main entrance of the market) has an abundant supply of goods, a complete range of varieties, wide coverage, favorable prices, and stable and superior quality!

　　The company uses high-quality stainless steel and exquisite craftsmanship to ensure there are no weld marks at the interfaces. Its products feature novel designs, elegant craftsmanship, and long-lasting durability. The company has always adhered to the principle of quality first and reputation first. It is equipped with mature production facilities and has strong technical strength, thus ensuring the quality of its products. The company is willing to make unremitting efforts to join hands with our customers to create a win-win situation and provide high-quality products for our partners.