Ningbo Siyi Fastener Co. Ltd. was established in 2007, covers an area of 4800 square meters, with a construction area of 3680 square meters. The company was specialized in developing and manufacturing wedge anchors, drop-in anchors. hit anchors, coupling nuts, sleeve anchors, tie wire anchors, bolt anchors, cut anchors, and other expansion anchor bolts. For wedge anchor, stainless steel drop in anchor, and coupling nut are also very researched. The factory is located in Ningbo City, China, with about 60 employees. Not only a product provider, but a service offer is what Siyi defines itself. One-stop service of all anchor products and fasteners, with excellent export experience to serve all the clients over the world.