It is often asked that the shape of I-beam and H-beam is similar. How to choose it in practice? Many people who have worked in the construction industry for many years cannot explain.
Universal joint axle shaft: make a good production plan, easily solve the factory chaosEstablishing and perfecting the management system, standardizing and constraining everyone's behavior.
Centered cardan axle drive shaft: what are the methods of nondestructive inspection of welds? Nondestructive testing is the use of sound, light, magnetic and electrical properties.
In industrially developed countries, car production accounts for more than 70% of the total output of cars. The supporting mode of car production represents the supporting mode of car production. At present, China's car output is only 1.2 million, and accounting for about 35% of the total car production, according to international standards, before the reform and opening up, China basically has no perfect car production supporting system.