
In the field of construction machinery, the user's dependence on after-sales service and parts supply is even stronger than that of.......
In recent years, we have seen.......
At about 4 .......

The forest germplasm resources sound very "tall", but in reality they are very "grounded," because many of the best species in our lives are cultivated from forest germplasm resources. Forest germplasm resources are important strategic resources, but at presen.......
Ball valve attached code: V said the valve with V-shaped structure, D said low temperature, B said insulation, P said eccentric structure, U and S and DY more than that on the type;
Ball valve name code: Q said ball valve;
Ball valve drive code: 2 that electro-hydraulic, 3 .......
VentureBeat, a technology venture capital firm, recently reported that on March 15, Alibaba Group announced that it would lead the startup, WayRay, with an investment of up to $18 million. WayRay's main business is augmented .......