Surface treatment is the whole process of generating a soil layer on the surface of the product work...

Square head bolt: Grade C square head bolt refers to the standard parts that are connected by the to...

Flat washer, also known as flat washer, is mainly stamped out of stainless steel plate. It looks lik...

Why should hexagon bolts be prevented from loosening? It is because it can be very good, long lastin...

1. Soluble emulsion cleaning agentSoluble emulsifiers are generally composed of emulsifiers, soil, o...

1. Start to remove the sludge on the broken surface of the high-strength bolts, use the center gun t...