Mr. Hu wants a truss head screw that can conduct electricity. According to Mr. Hu’s request, Shishi recommended Hu to use copper material. Mr. Hu said that copper can be used, but he wants brass truss head screws . Brass-based Shishitong can also be produced, so you can. Then Mr. Hu gave his drawings to Shishitong. After reading Mr. Hu’s brass truss head screws drawings, we suggested that Mr. Hu change the depth of the inner plum blossoms to a lighter one. Because according to the depth of the groove in Mr. Hu’s drawings, the head will be completely broken with the rod when screwing. Just right, our workshop is also producing the same screws as Mr. Hu’s request. It is also a truss head screw with inner thread. The diameter of the thread is the same, that is, the material and length are different. Then we directly video to Mr. Hu to test how the truss head screws that deepen the groove will be, and the head is directly broken. Mr. Hu sa...