sell Spring Screws

Hardware department: Mainly manufacture screws,special screw-stemps, dedicated fasteners, kinds of communication cabinets,etc. All of products can be ordered. Electronic engineering department: Mainly develop and reseach various electronic products(e.g, design kinds of electronic products, process electronic products in limited quantities), energy-saving devices for streetlights,etc. Otherwise,we also supply kinds of consumable materials for inkjet printers,such as ink box,electromagnetism valve,ink,etc.