double headed concrete nail

Latest articles



Popular articles

  • iron

  • The utility of hexagonal net in the playground is very superficial, in the stadium built in each city, are less than the shadow of the hexagonal net. In the stadium around the installation of hexagonal net, not only can improve the stadium of the group image, but also convenient urban residents to implement a row of activities.

  • The reason why there are black spots in wire mesh welding is that the action of wire feeding should be timely filled in the melting time, and the development should be appropriate. There is no argon gas, long burning, large current, long distance, blunt tungsten needle and high molten pool temperature are the fundamental reasons for blackening. Continuous burning, is about active welding machine energy selection, machine welding will appear black spots.

  • Latest articles

    Links