Hengshui Jrain Frp frp flange and blind

A rock drill extension rod, as the name implies, is an additional shaft attached to a primary drill rod, designed to extend the drilling depth and range. It is primarily used with percussion or rotary rock drills, which are employed for drilling through hard and abrasive rock formations. These rods are made from high-strength materials like alloy steel, ensuring durability and resistance against the harsh conditions encountered in drilling applications.

...
...

One of the key advantages of GRP tanks is their resistance to corrosion. Unlike traditional metal tanks, they do not rust or corrode when exposed to harsh chemicals or extreme weather conditions. This feature makes them particularly suitable for storing aggressive liquids like acids, alkalis, and other industrial chemicals. Additionally, the non-porous nature of GRP prevents bacterial growth, ensuring the stored contents remain uncontaminated.

...

1.Fiberglass gating cover plate
The anti slip performance can be show out only in
fiberglass gating cover plate, such as grid sand covered and Striped grating. The appearance of Fiberglass gating cover plate can be smooth, nonslip paving sand surface is probably slip markings, cover plate thickness usually 4.0cm. It can also used according to Customer credentials size, which often use in a closed area for sewage disposal punishment measures and prevent gas spillover. Anti slide grating cover can also be used as a ramp, manhole cover and trench cover.

...