Precision Manufacturing
to 0.001mm Accuracy
High-performance electric spindles, linear guideways, ball screws, and precision bearings for CNC machine tools worldwide.
Linear Guideways
& Ball Screws
P/H/SP precision grades. Interchangeable with HIWIN, THK, NSK. Ground C3/C5 accuracy ball screws.
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Precision Bearings
P4/P2 ABEC-7/9 Grade
Angular contact ball bearings & cylindrical roller bearings for machine tool spindles. 10mm–500mm bore.
View Precision BearingsCore Product Range
High-precision components engineered for demanding CNC machine tool applications
Electric Spindles
0.001mm runout accuracy. 0.5–100kW. Up to 120,000 RPM. Machining, grinding, turning spindles.
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Linear Guideways
P/H/SP grades. 15–65mm rails. Ball & roller types. Interchangeable with major brands.
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Ball Screws
Ground C3/C5 & rolled C7 grades. Ø8–100mm. Single/double nut. DIN 69051.
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Precision Bearings
P4/P2 ABEC-7/9 grade. Angular contact & cylindrical roller. 10–500mm bore.
View SeriesHot Sale Products
Our most sought-after precision components trusted by 37 long-term clients worldwide
Angular Contact Ball Bearings
P5/P4/P2 (ABEC-5/7/9) precision grades, 15° & 25° contact angles, universal face-ground for matched sets — built for CNC spindle applications
Crossed Roller Bearings
CRBH, RA, RB, RE, RU series — high rigidity, compact design, P5/P4/P2 grades for rotary tables and robot joints
CNC Electrospindle
12–75kW synchronous motor spindles, 0.001mm runout, HSK/BT tool interfaces — for vertical & horizontal machining centers
Linear Guideway
P, H, SP precision grades, 15–65mm rails, ball & roller types — interchangeable with THK, HIWIN, IKO
Ball Screw
Ground C2/C3 accuracy, Ø8–100mm, single/double nut, internal/external return — interchangeable with THK, NSK, HIWIN
15 Years of Precision Engineering Excellence
Founded in 2012 and headquartered in Luoyang — one of China's most historic bearing manufacturing hubs — Luoyang Songju Science and Technology Co., Ltd. specializes in R&D, manufacturing, and sales of high-precision core components for CNC machine tools.
ISO 9001:2015
Certified quality management system
22,000 m² Facility
Advanced manufacturing workshops
10+ Senior Engineers
Multiple patents in spindle design
24h Response
Guaranteed technical support
Proven Results in the Field
Real customer outcomes with Luoyang Songju precision spindles and bearings.
Industry Recognition & Data
Backed by global industry standards and market research.
ISO 9001:2015
According to ISO, certified organizations achieve 85% higher customer satisfaction rates and 30% fewer defect incidents compared to non-certified manufacturers.
Grand View Research
According to Grand View Research, the global CNC machine tools market was valued at $52.7 billion in 2025 and is projected to grow at a CAGR of 5.8% through 2030.
0.001mm Runout
According to ISO 1940-1, precision spindles at balance grade G0.4 achieve vibration levels under 0.4 mm/s — a standard met by our electric spindle line.
10+ Countries
According to MarketsandMarkets, the global precision bearing market is expected to reach $54.4 billion by 2028, driven by demand across Asia-Pacific and European manufacturing hubs.
STAN GROUP visited us
STAN GROUP representatives visited our Luoyang manufacturing facility to review production capabilities and discuss electric spindle cooperation.
March 17, 2026
China CNC Machine Tool Exhibition, April 8th to 12th, 2024
Highlights from the China CNC Machine Tool Exhibition featuring cutting-edge spindle technology and precision bearing innovations.
January 6, 2025
Visiting customer's factory
Our technical team visited a key customer's factory to provide on-site support and discuss customized spindle solutions.
December 26, 2025Request a Quote Today
Get expert technical consultation and competitive pricing for your precision component requirements. 24-hour guaranteed response.