Renetsaf CO., Ltd. specializes in producing non-standardized custom parts. They offer a wide range of fasteners, including standard (ISO, DIN, IFI, JIS or BS) and customized options. These fasteners can be made from various materials such as steel, aluminum, brass, silicon bronze, and copper. Renetsaf ensures the highest quality by manufacturing all their fasteners in Taiwan.

In addition to their custom parts, Renetsaf also offers cold forging services for CNC parts. This process allows for the production of CNC parts at a significantly lower cost. By utilizing cold forging, Renetsaf is able to provide cost-effective solutions for their customers' manufacturing needs.

Renetsaf stands out by providing more options and characteristics for non-ferrous materials. They offer a wide range of fasteners with different sizes, ranging from 4mm/3mm to 36mm/60mm in outer diameter and length. This allows customers to find the perfect fit for their specific requirements. Renetsaf has the capability to manufacture fasteners in steel, aluminum, brass, silicon bronze, or copper, ensuring versatility and flexibility for their customers.