Galvanized wire coating rough, passivation film is not bright, bath temperature is too high. If the cathode current density is too high, zinc content in the

Large roll galvanized wire is like the literal meaning, is wrapped in a layer of zinc on the surface of low carbon steel wire material, beautify the appearance

The large roll of galvanized wire is like the literal meaning, is wrapped in a layer of zinc on the surface of low carbon steel wire material, beautify the

Carbon spring steel wire should have high tensile strength, elastic limit, endurance and fatigue strength, and impact and vibration resistance. To ensure the

Galvanized wire coating rough, passivation film is not bright, bath temperature is too high. If the cathode current density is too high, zinc content in the

Usually we use the annealing wire is often visible, because iron is very easy to corrosion and rust, so the annealing silk factory will be a layer of other

With the continuous development and improvement of the social level force, the production technology has also been gradually improved and progress, the ring

The product construction of round nail manufacturers is fixed, mostly used for asbestos, the use of nails in the home, the construction industry plays an

1. In order to ensure the reliability and firmness of the products after the connection, the nails should be more than 2.5~3 times the length of the thickness

Annealed black wire is a kind of soft annealed black wire made of low carbon steel by cold drawing, heating, constant temperature and heat preservation.

The nail rod of the coil handles the light rod, thread, ring, etc., the light rod is easy to disassemble, the thread is suitable for the connection of hardwood,

Cement steel nail: very similar with round nail on the appearance, the head is slightly thicker. But cement steel nails are made of high quality steel and have

How many kinds of Baotou nails are there? In our daily life, the common iron nail products are basically based on hot rolled low carbon wire rod cold-drawn

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