screw factory teach you to see the car “black history”

Some people’s hobbies are playing used cars. They will like to dig out the afterlife of used cars in their lives and study the machines that can’t talk to understand his black history.Want to detect the car, screw factory tell you, in addition to seeing all kinds of paint, but also look at the traces of stainless steel security screws, this is also an important knowledge.

The paint will not look, the film meter can help you High precision, fast speed and satisfactory results, but there are no electronic instruments that can help you with the screw traces. This requires empirical analysis.

Look at the traces of the screws, screw factory are still a bit of experience. Don’t just look at it vertically, so you can’t see too many traces. You can look at it horizontally, the angle is different, and you see more traces, not the same. You can see if there are black twist marks.

screw factory mainly produce screws. If you need anti-theft screws, or customize other non-standard screws, you can contact Shenzhen Shi Shi Tong screw factory.

Skype: kalyn qin M: +86 18124507113 Tel: +86 0755-85296744 annie@szsst88.com Add: No. 11, Dinghou Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen, Guangdong, China