Ningbo Yitong Special Bearing Co., Ltd., also known as YITONG INDUSTRY, is a professional manufacturer and distributor of linear motion guide rollers and bearings, based in Ningbo, China. Established in 1993, the company has over 30 years of experience and employs between 101 and 200 people. Yitong Industry specializes in the design, manufacture, and sale of linear motion products, including linear motion bearings, track rollers, cam rollers, pulleys, shafts, journal bearings, guide wheels, and sliding systems. They offer over 1500 products, with more than 300 types of linear motion track rollers across 8 distinct series. The company operates a 14,000 square meter factory, with a 3000 square meter building completed in 2003, and has invested significantly in specialized bearing manufacturing machinery. Yitong Industry is ISO 9001 certified and is recognized for being the first manufacturer to develop special bearings with multi-spherical surfaces for linear motion tracks in 1997. Their products are extensively used in precision machines, linear motion equipment, power tools, textile machines, mining machines, conveyor systems, and construction. They serve over 500 clients, including Global 500 and industry leader companies, and export to markets in Europe, the USA, Japan, and South Korea.
Track Rollers With Gothic Arch Groove (SG)
Track Rollers for Tubular Rail
Wire Guides and Straightening Rollers (type A or AT)
Track Rollers for Vee Bars (FR/LR)
Track Rollers ("W" profile-type YTGW)
Track Rollers With Gothic Arch Groove (LFR)
Support Bushings
Axial Angular Contact Ball Bearings for Screw Mounting
Dalian Dongyang International Co.,Ltd is a comprehensive manufacturer, trading company, and distributor based in Dalian, China, with its manufacturing operations located in Wafangdian, a key hub for China's bearing industry. Established in 2009, the company is the international trading arm of Wafangdian Dongxu Non-Standard Bearing Group Co., Ltd, which employs over 400 people, including 46 top-grade designers and professional technicians. Specializing in a wide range of normal and non-standard bearings, Dalian Dongyang International offers products such as Deep Groove Ball Bearings, Spherical Roller Bearings, Cylindrical Roller Bearings, Tapered Roller Bearings, Angular Contact Ball Bearings, Self-Aligning Ball Bearings, Slewing Bearings, Needle Roller Bearings, Spherical Roller Thrust Bearings, Thrust Ball Bearings, Thrust Cylindrical Roller Bearings, Thrust Self-Aligning Roller Bearings, Bearing Housings, Sleeve Bearings, and Radial Ball Bearings. These bearings are available in precision classes P0, P4, P5, P6, SP, and UP, and are widely used in industries including railways, automobiles, metallurgy, engineering machines, and mining and quarrying. The company provides OEM services and has a significant international presence, with over 50% of its bearings sold to European and American countries. With an annual turnover of approximately USD 10,000,000, Dalian Dongyang International maintains a strict quality control system and has a history of exporting to the United States.