Dongguan Sisun Industrial Co., Ltd., established in 2015 in Shenzhen, Guangdong Province, specializes in manufacturing precision screws, nuts, and precision shafts, among other fastener products. We provide one-stop comprehensive solutions for major global brand manufacturers and manufacturing factories. Adhering to the business philosophy of "Focus, Specialization, Professionalism", our group company has continued to grow and expand, and in 2017, we relocated to Dalang Town, Dongguan City. Our Products: Precision screws for metal and plastic applications From product design to on-site application, from raw material selection to rigorous processes; from manufacturing equipment representing industry-leading technology to comprehensive testing equipment, we ensure that every screw exceeds customer needs in terms of functionality, application, and appearance. Based on different customer requirements, we customize according to various standards, including GB, ISO, ANSI, JIS, BS, and other standard molds. Most of our products are used in various fields such as electronic consumer products, mobile phones, computers, medical equipment, and household appliances. Pin-type fasteners and embedded nuts Press-fit nuts are used both as fasteners and as isolators. Threads range from M2 to M12, and available materials include low carbon steel, stainless steel, brass, aluminum, etc. These devices are used to install support plates, individual chassis, and other components. Embedded nuts are used to reinforce plastics, composite materials, and alloy materials, allowing screws to be installed and removed multiple times. The specially designed spiral knurled groove provides higher torque and pullout force. The range is from M1.0 to M12, and commonly used materials include brass, aluminum, steel, stainless steel, titanium, etc.