Wulian Dadi Precision Steel Ball Co., Ltd. has been specializing in the manufacturing and distribution of precision steel balls for more than fifty years. As a National High-tech Enterprise, a Provincial Specialized and New Enterprise, and a Rizhao City Time-honored Brand, we are recognized as a trusted leader in the industry.

We operate a Provincial Technology Development Center, hold independent import & export rights, and are certified under ISO 9001 and IATF 16949 quality management systems.

Our product range covers a broad selection of materials, including Carbon Steel, Chrome Steel, Stainless Steel, S2 Tool Steel, Brass, Aluminum, Ceramics, Glass, Tungsten Carbide, Tungsten Alloy, Titanium Alloy, and Plastic. We supply balls in grades from G5 to G1000 and sizes from 0.5mm to 300mm, with the capability to manufacture customized shapes and dimensions. In particular, our Glass Balls (G40) and high-precision Plastic/Nylon Balls stand out for their superior quality and performance. Whether for large-scale production or small customized batches, we ensure consistent world-class standards.

Our precision balls are widely used in aerospace, automotive, bearings, wind power, precision instruments, medical devices, petroleum, and other industries. Today, our products are distributed across 23 provinces in China and exported to more than 38 countries worldwide, including the USA, UK, Germany, France, Italy, Japan, and Korea.