Ningbo Renhe Machinery Bearing Co., Ltd., established in 1967 and operating under the RUWH trademark, is a premier manufacturer specializing in high-precision, low-noise deep groove ball bearings. Headquartered in Ningbo, China, the company operates a 55,000-square-meter facility with 35,000 square meters of factory space. With over 50 years of industry experience and a workforce of approximately 400 employees, the company maintains 55 automatic production lines, achieving an annual production capacity of up to 150 million sets. They are a recognized technology leader in the production of mini and medium-sized bearings with precision levels of P5 and P6.
The company's extensive product portfolio includes the 60, 62, 63, 68, 69, and 16 series, with inner hole diameters ranging from 5mm to 50mm. These components are critical for applications in automotive systems, electric motors, agricultural machinery, household appliances, and robotics. Beyond bearings, they manufacture cycloid pin gear reducer parts such as pin teeth and sleeves. As a trusted OEM and ODM partner, Ningbo Renhe serves a prestigious global clientele including Hitachi, Hyundai, Otis, Bosch, and HP.
Quality and reliability are central to their operations, supported by Japanese technology and 100% inspection protocols. The company holds multiple international certifications, including IATF 16949, ISO 9001, CE, RoHS, and CQC. Their advanced manufacturing infrastructure features high-precision centerless grinding, automatic heat treatment, and comprehensive physical and chemical testing facilities, ensuring high-performance solutions for international markets across North America, Europe, and Asia.
Zhejiang Sihe Machine Co., Ltd., established in 2004 in Hangzhou, China, is a high-tech manufacturer and trading company specializing in automobile wheel bearing units. With over 17 years of industry experience, the company operates a 36,000m² plant on 60 acres of land, featuring fully automatic workshops, assembly lines, and laboratories. They are certified with IATF 16949 and ISO 9001, along with High-tech and Technology Enterprise Certificates.
Zhejiang Sihe Machine offers a comprehensive range of over 1,500 varieties of integrated, unitized, small, and lightweight wheel bearing units, including first, second, and third generations. These products are widely used as OEM replacement parts for the front and rear wheels of various cars, commercial vehicles, and light trucks across Chinese, American, Japanese, Korean, and European models. Their own brand, "moteQ," focuses on high-quality wheel hub units for the automotive aftermarket, providing a 2-year, 50,000 km warranty. The company has a significant international presence, with 80% of its market share in international sales to Europe, America, the Middle East, and Southeast Asia, supported by branches in Canada and the USA. They employ between 101 and 200 people, with plans for expansion to over 300 employees in a new factory.
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