Print color difference problem has been plagued by printers, color difference problem can be effectively controlled, is to reflect product quality, reputation and operator master skill level of a measure rod, therefore, it is each printer to pay attention to the problem, but also on the printing road to a higher level of the step, quality and service is the lifeblood of an enterprise. Shijiazhuang printing factory Let's pay attention to the color difference of lift-up flaps book. Some...

This paper will deeply analyze various reasons for foundation subsidence subsidence, including soil quality difference, groundwater change, improper construction, etc., and explain how these reasons interact with each other to eventually lead to safety problems of building structures. At the same time, a series of targeted preventive measures are provided, such as foundation reinforcement treatment, reasonable drainage design, construction quality control, etc., to help buildings effectively...

High quality 2 rolls Calender machine has good physical and mechanical properties and excellent insulation properties. high quality 2 rolls calender machine What is the proportion standard? high quality 2 rolls calender machine specific gravity standard is between 1.1-1.8g/cm3. high quality 2 rolls calender machine Process and forming: The upper and lower surfaces of the insulation board must not be harmful and irregular. Harmful irregularity refers to one of the following...