Chemical companies should attach importance to valve design

A few days ago, a chemical company broke a piston rupture and piston rod fracture accident, the direct cause is that the connection type of the valve parts is unreasonable, the connection nut is loose, and the lift limiter falls into the cylinder, causing the piston to break and the piston rod to

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Jilin will build a large parts and components group

Jilin Province will increase the structural readjustment of auto parts companies, promote the capital expansion of key auto parts enterprises through mergers and acquisitions, and build a number of core competitiveness, outstanding supporting capabilities, and flagship products with a leading posi

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