With the development of the automotive industry, the requirements for automotive fasteners have become higher and higher. The main kind of high-intensity automotive fasteners is bolts which all need to be treated with heat treatment to improve the comprehensive mechanical performance of the product and achieve the specified tensile strength. Heat treatment process technology is the key factor...
Portuguese (Brazil)
English
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Greek