On April 21, Wu Wen, general manager of the “Steel House” website of the domestic ste

Pump mechanical seal is mainly composed of three parts, one is the base, which should be installed i

China's tungsten production accounts for more than 80% of the world's total output. It ha

In the second half of 2011, affected by the international economic environment, many export-orien

In the middle and late October last year, the reporter visited several large-scale home stores such

The reporter was informed recently that the relevant ministries and commissions are establishing

Water circuit transformation is the most important, but for general decoration companies, this is al

Provincial Department of Industry and Information Technology, Provincial Public Security D

Serion bearing the characteristics of 1. Dry friction coefficient of low-friction race bearings is h

One level. When piglets are 30-40 days old, piglets that meet the characteristics of the breed and

KCB-33.3 gear pump seal selection principle is that, for the less demanding occasions, may be empiri

1, the pipeline centrifugal pump suction pressure ≤1.6MPa, or the maximum working pressure of