- The design of rock drill extension rods is meticulous, with attention paid to factors such as tensile strength, fatigue resistance, and wear resistance. They are often heat-treated and precisely machined to ensure smooth threading, reducing the chances of damage during assembly and disassembly. The robust construction not only enhances the lifespan of the drill but also minimizes downtime due to repairs or replacements.
Marine: Used in marine environments such as marinas, docks, boat ramps, and piers due to its excellent resistance to saltwater and other marine elements. Different textures and grid configurations have been developed for specific marine applications.
At the begining of 2023, our company completed one FRP DN6m thickener tank, as a part of Thickener System, for our USA customer.
As we all know, there are fiberglass pultruded gratings and fiberglass molded gratings, but how to divide gratings by the shape? Generally speaking, fiberglass grating can be divided to four categories, the most important is divide according to product usage as well as the characteristics of their classification.
According to common usage rules it can be roughly divided to following few categories:




