Slit coils of steel are put through a slow cold forming operation until the two sides of the steel are welded together in a tubular form, resulting in round ERW steel pipe. The resistance to the passage of electric current applied by an induction coil gen
The electrolytic unit intakes a small part of filtrated seawater to electrolyzer and generates oxidant (mainly sodium hypochlorite) and by-product hydrogen. The electrolyzed water contains sodium hypochlorite solution is injected back into the main ballas
Bamboo plywood is made of fine layers of bamboo strips laying in parallel order. The strips are kiln dried, sanded smooth and then laminated edge to edge to create a single-ply panel.
The surface coating is a phenolic resin adhesive with extremely strong water resistance. The core board is made of triammonium rubber (single layer over 0.3KG) and layer by layer over adhesive, which has strong gluing performance, which can increase the n
Disposable Protective face masks are worn to prevent the spread of germs from one person to another or to protect an individual from inhaling airborne particulates.