

Company Profile
Rollyu Precision Machining Co., Ltd is an ISO9001 and ISO13485-certified manufacturer in Shenzhen, specializing in high-accuracy CNC machining, sheet metal fabrication, and custom weldments. With over 15 years of experience, Rollyu delivers ±5 μm tolerance parts for global OEMs in automation, robotics, motion control systems, photonics, medical devices, semiconductor tooling, aerospace, and industrial equipment.
Our capabilities include 3–5 axis CNC milling, turning, laser cutting, CNC bending, TIG/MIG welding, rapid prototyping, die casting, material sourcing, and more than 12 surface finishing options. Supported by advanced CMM inspection and full traceability, we provide reliable prototypes, small-batch machining, and scalable volume production with consistent on-time delivery and engineering-driven quality.
Our engineering and manufacturing expertise supports a wide range of high-tech sectors, including:
Automation & Robotics
Motion Control & Instrumentation (linear stages, rotary stages, piezo systems)
Pneumatics & Hydraulics
Valves, Pumps & Fluid Handling Systems
Lasers, Photonics & Opto-Mechanical Assemblies
Optical & Medical Devices
Aerospace, Automotive & UAV Components
Industrial Equipment & Consumer Electronics
From prototype validation to large-scale production, Rollyu Precision is equipped to deliver parts that consistently meet or exceed customer specifications.
3-axis, 4-axis, and 5-axis milling • Turning • Drilling • Threading • Grinding • Complex contouring
Achievable tolerance: ±0.005 mm (±5 μm)
Expertise in intricate geometries, micro-features, thin walls, and optical-grade flatness
Laser cutting • CNC bending • TIG/MIG/Spot welding • Riveting • Mechanical assembly
Ideal for enclosures, brackets, chassis, fixtures, and structural frames
Fast turnaround for design validation
Smooth transition from prototype to volume manufacturing
Aluminum (6061, 7075), stainless steel (304, 316, 17-4PH), titanium, brass, copper, engineering plastics (PEEK, Delrin, PC, PA, Ultem)
Anodizing (clear, black, hard-coat) • Powder coating • Passivation • Zinc/Nickel plating • Black oxide • Laser marking
Our facility is equipped with advanced CNC centers, CMM inspection, optical measurement tools, and a strict quality management system that ensures consistent accuracy at every stage of production.
Experienced engineers and machinists ensure every part is built with precision and consistency.
Flexible operations support prototypes, small batches, and high-volume production.
ISO9001 & ISO13485 workflows • 100% inspection on critical dimensions • Full traceability
Predictable schedules and efficient project management help keep customer programs on track.
From RFQ evaluation to final inspection, we provide proactive communication and engineering support.
Whether you are developing a new product, improving manufacturability, or scaling production, Rollyu Precision offers world-class CNC machining and sheet-metal manufacturing backed by dependable quality and professional support.
Contact us today: