Why do customers choose Shi Shi Tong manufacturers to produce self tapping screws for upvc windows?

Mr. Zhao found several screw manufacturers on the Internet and wanted to choose one of them to produce self tapping screws for upvc windows. Finally, Mr. Zhao chose the Shi Shi Tong screw manufacturers to produce their screws. Why is this?

In the beginning, Mr. Zhao told the manufacturers that he wanted self tapping screws for upvc windows, but he only had a few hundred capsules. He was not sure if he needed it.

Later, Mr. Zhao told us that Shi Shi Tong, when he sent these screws to the inquiry, our response was much faster than theirs, and in the process of subsequent communication, our response speed was also very fast. And according to his request to provide the corresponding solution. So Mr. Zhao chose Shi Shi Tong to produce self tapping screws for upvc windows.

If you want to customize self tapping screws for upvc windows please send an email: annie.li@szsst88.com