Long Bar Experts: Precision outer diameters from 0.5mm to 60mm.
Focused on OEM/ODM machining, integrating optical and mechanical hardware manufacturing. Serving diverse industries with stable and reliable precision components.
Precision Parts Machining
Professional Optical Component OEM Manufacturer
Who we are
Precision Craftsmanship, Backed by 40 Years of Manufacturing Experience
Deeply rooted in the field of metal manufacturing, Qian Xi Jia is equipped with 8-axis and 10-axis mill-turn machines, capable of completing multiple processes in a single setup to enhance both efficiency and precision. We focus on the R&D and production of medical device components, precision parts, optical components, electronic parts, and automotive & motorcycle components. By delivering diversified precision machining solutions, our services are widely applied across industries including automation equipment, industrial machinery, electronic products, and hardware manufacturing.
Main Industry Focus
Optical Component Machining
Automotive & Motorcycle Parts Machining
Electronic Parts Machining
Precision Parts Machining
Hardware Parts Machining
Bicycle Parts Machining
Precision Shaft and Screw Machining
Medical Parts Machining
Automation Equipment Parts Machining
Machining Projects
➤ Aluminum machining with anodizing, achieving precision within 0.01 mm. ➤ ROLLER made of POM material, with precision within 0.01 mm. ➤ SPACER made of copper material, with precision within 0.005 mm. ➤ Metal barrel with bi-directional machining, concentricity precision within 0.01 mm.
One-Stop Service for Parts
We provide more than subcontract machining — our expertise extends to comprehensive post-processing capabilities, including heat treatment, anodizing, copper or iron plating, internal and external diameter grinding, iron nitriding, screw torque resistance, black dyeing, electrophoresis, and coating. Upon customer request, we can manage the entire process from raw material to finished product, sup