Actually, the first three-year "three guarantees" …

Material prices are opaque? Material quality is not guaranteed? The renovation cannot be completed on time? Furniture and building materials have passed the "three guarantees" service period frequently? Near March 15th, many unreasonable consumer traps in home building materials keep con ......

Test standard and method of drop test machine (below)

Equivalent to this standard adopts international standard ISO2248-1985 (completely packed, full-filled transport package vertical drop test) Falling test equipment (impact table): The impact table is a horizontal plane, which does not move or deform during the test and meets the following require ......

Realan Smart Classroom Integration Solution

table of Contents 1. Company profile ................................................ .................................................. ............ 2 Second, the function and technical support of Liren e-bags ............................................. .................................... 2 ......

Function and principle of drop test machine

The drop test machine is mainly used to test the product packaging and some products are damaged by the fall, and to evaluate its impact strength during transportation and handling. It adopts double-column guide, the number of times of height drop can be set, the work is stable and reliable, and a ......

Natural soft resin varnish and its application

The natural soft resin varnish is applied to the surface of the completed and dried work, which will form a shiny and tough transparent film, which can not only prevent dust pollution and moisture erosion, but also protect the coloring layer to maintain the permanent beauty of the picture. . â ......