The most common heavy hex head screw, these steel screws meet ASTM A325 regulations for structural joints, such as mating I-beams and scaffolding. Material meets ASTM F3125 specifications for quality.
Heavy duty tube bender manufacture, draw and modify on the stereo pipe image on the screen.touch screen operation.Single-step debugging function. Send inquiry to us.
Organic bentonite clay has been produced and applied in China for more than 30 years.It is the complex of montmorillonite/quaternary ammonium salt produced from the raw bentonite. Bentonite’s main ingredient: montmorillonite which has layer structure.