Our company mainly engages in the design, manufacturing, and sales of slewing bearings, forged rings, and welded structural gears. Additionally, as a strength of our company, we have established a "one-stop production system" that encompasses all processes from cutting, forging, and rolling of steel materials, heat treatment, various machining, to assembly, packaging, and shipping. With our high level of technology and continuous investment in equipment, we are capable of handling sizes ranging from small to large, up to a diameter of 3500mm.

We are engaged in transactions of slewing bearings and ring products primarily used in construction machinery, special work vehicles, and industrial machinery equipment with many customers, including Hitachi Construction Machinery Co., Ltd., Caterpillar Japan LLC, Sumitomo Construction Machinery Co., Ltd., Kobelco Construction Machinery Co., Ltd., Kobe Steel, Ltd., Komatsu Ltd., and Yanmar Construction Machinery Co., Ltd. (in no particular order).

※We are engaged in business with construction machinery and industrial machinery manufacturers that have bases overseas, including the United States, France, Germany, Indonesia, and Thailand. Additionally, our company established a manufacturing factory, "Antekesi (Shanghai) Precision Parts Co., Ltd.," based in Shanghai, China, in 2004, and we also conduct business with manufacturers that have bases in China, India, Thailand, and other locations.