is mainly engaged in self-threading pin and self-drilling screw of building doors and windows, furniture coarse teeth dry wall nails and fibreboard nail, and decorative ceiling links gypsum board special dry wall nails. The company has been established for 22 years and has the ability to undertake the customization needs of various customers. We have more than 130 sets of advanced production equipment in cooperation. After more than 20 years of development, we have already undertaken various national standards and American standards, british standard processing and production capacity, the company's domestic and international sales volume grows steadily every year, and the international market mainly sells in the United States, India, Colombia, Russia, Southeast Asia, Middle East and South America.