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Timely response is very important

As the world’s leading screw manufacturer.
We have the most professional staff. They have the fastest response time to give you the first response.
Mr. Calvin from the Netherlands asked us about the penetration length of the drilling screw at 22:00 China time.
I immediately introduced to him that the penetration length of the drill screw is related to the strength of the screw and the length of the tail. When the drill screw advances in the metal plate, if the tail is not long enough, it will appear that the tail has not pierced the metal plate thread. As a result of staying inside the sheet metal, it is then impossible to continue into the material.
Calvin has since become one of my best friends and tried to buy 2 tons of our self-drilling screws for his warehouse in the suburb of Haarlem and started selling them online and in hardware stores. Each time since then he has purchased a 20ft container containing various sizes of drywall screws and hex head self-drilling screws.


We often talk about international affairs. And look forward to seeking more cooperation opportunities after this cooperation and making more money together on the international stage.
Knowing Victor may be one of the most correct decisions I have ever made. His language gives me a sense of security. We are like-minded friends and will seek more cooperation in the international market.
------ Mr Calvin

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Lituo screws, nails and blind rivets are known for their bright and smooth finish, resistance against corrosion, dimensional accuracy, high strength of torque and hardness, and available in various materials and sizes.