成人国产一区二区三区婷婷,久久精品亚洲国产777777,国产日韩欧美另类,无码字幕AV一区二区三区

This product is mainly composed of a metal shell and a thermal expansion core material, which is sleeved on the wall of the UPVC pipe during installation and fixed on the floor or wall. When a fire occurs, the core material of the firestop ring expands sharply after being heated, and squeezes the plastic pipe wall inward to block the hole in a short time and play a role in preventing the fire from spreading. The product has compact structure, reasonable design, safe and convenient construction.

This product is one of the most commonly used exterior wall paints. It has simple construction, low cost, and long warranty time. The colors are divided into single color, double color and three colors. The effect can also be divided into whole spray and division. It is easy to clean, durable and durable. Anti-mildew, breathable, gorgeous color, and versatile. It is suitable for the exterior walls of various buildings and is the most commonly used paint for many office buildings, commercial buildings and residential buildings today.

This product is the most emerging exterior wall paint in recent years. It was inspired by the designer based on the popular mud wall effect in the 70s and 80s. With the support of today's high technology, the internal materials and bonding have been changed. It is the most commonly used material for retro styles such as new rural reconstruction, scenic spots, farmhouses, etc. It can be divided into multiple effects according to different effects and thicknesses.