Chinese precision linear motion component maker founded 1952; China's first and largest ball screw and linear guide manufacturer for CNC and robotics.
Nanjing Technical Equipment Manufacture Co., Ltd. (brand name: YIGONG) was established in 1952 and is recognized as China's first and largest manufacturer specializing in the research, development, and production of ball screws, linear guideways, ball splines, arc linear guides, and XY worktable modules used in CNC machine tools, robotics, and precision automation. Headquartered at No. 329 Mochou Road, Jiangning District, Nanjing, Jiangsu Province, the company has accumulated over 70 years of expertise in rolling functional components. Its high-speed ball screw pairs operate at up to 60 m/min with a noise level of 70 dB, achieving positioning accuracy of 0.002 mm and repeated positioning accuracy of 0.001 mm per axis.
Linear guide pairs similarly run at 60 m/min at 68 dB. Products are applied in precision horizontal machining centers, gantry-type machining centers, medical devices, photovoltaic equipment, and industrial robots. YIGONG holds ISO 9001:2015, ISO 45001:2018, ISO 14001, and ISO 10012 certifications and has been recognized as a National High-Tech Enterprise and a single-champion demonstration enterprise by China's Ministry of Industry and Information Technology (MIIT).
The company exports globally through platforms including Alibaba and Made-in-China.
Primary type & automation activities this supplier delivers:
High-speed precision ball screw operating at up to 60 m/min with 0.002 mm positioning accuracy for CNC and robotic axes.
Contact Nanjing Technical Equipment Manufacture Co., Ltd.
WEBSITE
https://www.njyigong.cnPHONE
+86-25-86586365; Tech: +86-25-86586253HEADQUARTERS
China
Company Facts
Founded
1952
Primary Role
Component Supplier
Company Size
-
Primary Region
Asia-Pacific
Annual Sales
-
Funding Stage
-
Funding Total
-
Certifications & Memberships
UCL and HKUST researchers, plus robotics CEOs, challenged embodied AI hype at WAIC 2026, citing generalization limits and no third-party evaluation standard.
ByThomas Siew Aug 03, 2026China’s humanoid robotics vendors are battling over actuator screw tech, fueling a multi-billion-dollar race for precision components that power robot motion.
ByKelly Stone Oct 04, 2025