What should be paid attention to when welding galvanized steel pipe
1. Need to polish in the early stage However, the galvanized layer of the weld must be polished away, otherwise bubbles, trachoma, and false welding will occur. It also makes the weld brittle and the...
How to use drilling tools scientifically？
The bit is directly broken part of the rock, its shape, structure, material, processing technology, etc. directly affect the crushing effect and the life of the bit. The drilling requirements for the...
2017 Fifth Dongguan Machinery Manufacturing Industry Alliance Exhibition
In order to better promote the healthy and rapid development of machinery, robotics and automation industry, the 5th Dongguan was hosted by Guangdong Machinery Industry Association, Dongguan Robot...
China is in the forefront of the rubber machinery industrygh
European Rubber Magazine" recently announced the 2011 top 30 global rubber machinery, Chinese companies accounted for 14 seats, of which the top ten in China occupy 4 seats, soft control shares...
Mr. Liu Bin
