The life of aluminum extrusion die has become the main bottleneck in the development of aluminum profile industry in China. The design and manufacturing cost of aluminum extrusion die accounts for about 20% of the total production cost. It is one of the key technologie.......

A stepper motor is an electro-mechanical device that converts an electrical pulse into a corresponding angular or linear displacement. It is also a type of drive device that can correspond to incremental output mechanical displacements and input digital pulses. A stepper motor has the abi.......

Finally, they hoped to make a room, but many of the owners saw the rough room and had not yet dealt with the wall surface. It was very likely that they could not start. What if your house does not want to spend a lot of renovation costs? It must have some understanding of the rough room de.......

The refurbishment of old homes has made home central air-conditioning a major focus for refurbishing old homes. This has become a trend. Larger spaces and more comfortable living environments will allow homes to appreciate value in a straight line.

Retrofit models: Retrofit indoor .......

As confirmed by the national tax authorities, export coatings are not subject to the scope of consumption tax. If the paint is exported by furniture, can it be tax-free? This logic seems to make sense. In fact, this is a misunderstanding of the intention of collecting .......

The newly renovated living room must be equipped with a high-performance range hood, otherwise it will not only pollute the living room, but also bring health hazards to the cook. There are many types of .......