NEWS


Tongsen Fastener Manufacturing

The function of the spring

We know that within the elastic limit, the elongation (or contraction) of the spring is proportional to the external force.

2024-05-22

The current pattern of the spring industry

For the spring industry, for a long time, there has been an oversupply of low-grade ordinary springs.

2024-05-22

What material is generally used for high-strength bolts?

The upper limit of the tensile strength of the material used in high-strength bolts has a lot to do with the quenching treatment.

2024-05-22

What qualifications do fastener manufacturers need to have?

Fastener manufacturers need to have a combination of technical knowledge, experience in the industry, and a commitment to quality in order to be successful in their field.

2024-10-18

What are the characteristics of the appearance of welding nails?

Welding nails, also known as stud welding nails, have several distinct characteristics in terms of their appearance.

2024-10-18

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