As a leading precision turning factory and manufacturer in China, Sanluo delivers comprehensive Precision Turning for Rotational Metal Components solutions across a full spectrum of metallic materials. Our 8,000 square meter production facility, equipped with 130+ CNC machines and staffed by 230+ skilled professionals, produces rotational metal parts with tolerances down to ±0.001mm and surface finishes as fine as Ra0.01μm. From standard shaft and disc components to highly complex rotational geometries, we support orders from 1 piece to 999,999 pieces, backed by ISO9001:2008 and ISO14001:2004 certifications and a 99.9% quality pass rate that has earned the trust of 5,000+ customers worldwide.
Rotational metal components form the backbone of countless industrial systems, and our precision turning expertise ensures every part delivers optimal performance, durability, and reliability.
Component types we produce:
● Shaft components: drive shafts, spindle shafts, turbine shafts, micro-shafts, pinion shafts
● Disc components: flanges, pulleys, gears, bearing rings, valve discs
● Cylindrical components: sleeves, bushings, cylinders, liners, rollers
● Threaded components: precision screws, threaded rods, fasteners, adjustment mechanisms
● Custom rotational parts: complex multi-diameter shafts, profiled discs, hybrid geometries
Size and capacity range:
Our rotational metal component capabilities span from the smallest micro-shafts of φ0.1mm diameter to large disc parts up to φ500mm diameter, with maximum turning lengths of 2000mm. This broad range means we can handle virtually any rotational metal component requirement, from tiny medical device parts to large industrial flanges.
Precision grades:
We achieve IT0-IT5 grade accuracy across our precision turning operations, with dimensional tolerances as tight as ±0.001mm, roundness down to 0.0003mm, and coaxiality precision of 0.0005mm — meeting the strictest requirements of high-end manufacturing industries.
We process virtually all metallic materials used in precision manufacturing, with specialized expertise in difficult-to-machine alloys and high-performance metals.
Ferrous metals and alloys:
1. Carbon structural steel for general-purpose rotational components
2. Stainless steel including implant and interventional grades for medical devices
3. High-temperature steel and heat-treated hard materials for high-load applications
4. Mold steel and powder high-speed steel for tooling and wear-resistant parts
5. Special stainless steel grades for corrosive environments
Non-ferrous metals and alloys:
1. Aluminum and aluminum alloys for lightweight aerospace and automotive components
2. Brass and red copper for electrical conductivity and thermal applications
3. Copper alloys for bearing surfaces and corrosion resistance
4. Titanium alloy for high-strength, lightweight, biocompatible applications
5. High-temperature alloys for extreme environment components
6. Molybdenum and tungsten for specialized high-temperature applications
Material expertise:
Our team has unique insights into processing deformable parts, with deep knowledge of material properties, heat treatment effects, processing stress management, and auxiliary tool design. This expertise enables us to maintain tight tolerances and excellent surface quality even with challenging materials that cause difficulties for many other precision turning suppliers.
Our manufacturing scale and operational efficiency enable us to handle both small-batch custom orders and large-volume production runs with consistent quality and reliable delivery.
|
Capacity Metric |
Value |
Details |
|
Factory Area |
8,000 sqm |
Guangming District, Shenzhen, China |
|
Total Employees |
230+ |
Engineers, technicians, operators, quality staff |
|
Production Equipment |
130+ machines |
CNC lathes, Swiss-type lathes, grinders, EDM, etc. |
|
Inspection Equipment |
320+ units/pieces |
CMM, image analyzers, microscopes, projectors, etc. |
|
Quality Personnel |
16 specialists |
QE, IQC, IPQC, OQC |
|
Annual Output |
500,000+ pieces |
Precision turned components across all industries |
|
Quality Pass Rate |
99.9% |
First-pass qualification rate |
|
Order Quantity Range |
1 - 999,999 pcs |
From single prototypes to mass production |
|
Production Cycle |
3 - 20 days |
Depending on complexity and quantity |
|
Quotation Response |
0 - 2 days |
Standard turnaround for detailed quotes |
Our production flexibility means we can seamlessly scale from prototype development to full production, maintaining the same precision standards and quality controls regardless of order size. This scalability is backed by our 18+ years of operational experience and continuous process improvement methodologies.
Beyond Precision Turning for Rotational Metal Components, we integrate high-quality surface treatment and finishing processes from domestic industry resources, providing comprehensive one-stop solutions for your rotational metal components.
Heat treatment processes:
● Vacuum heat treatment for controlled hardening and stress relief
● Carburizing and nitriding for surface hardness enhancement
● Custom heat treatment profiles per material and application requirements
Coating and plating options:
1. Surface gold plating for electrical conductivity and corrosion resistance
2. Rhodium plating for high-end decorative and protective finishes
3. Titanium plating for enhanced wear resistance
4. Silver plating for electrical and thermal conductivity applications
5. Ceramic plating for insulating and high-temperature applications
6. Wear-resistant coatings for high-load bearing surfaces
Finishing and polishing:
● Ion polishing for ultra-smooth, defect-free surfaces
● Electrolytic polishing for corrosion resistance and brightness
● Fluid polishing for complex internal geometries
● Magnetic grinding for deburring and surface refinement
Other surface treatments:
Anodizing for aluminum components, sandblasting for matte finishes, blackening for steel parts, and passivation for stainless steel corrosion protection. Our integrated approach means you receive fully finished, ready-to-assemble rotational metal components from a single trusted supplier.
Quality and compliance are foundational to our operations, ensuring every rotational metal component we produce meets international standards and customer specifications.
Management system certifications:
We have implemented and obtained ISO9001:2008 quality management system certification and ISO14001:2004 environmental management system certification, demonstrating our commitment to consistent quality and responsible manufacturing practices.
Quality standards:
Our products follow the national standard of China as our baseline, with additional compliance to customer-specific industry standards including automotive, aerospace, medical device, and semiconductor requirements. Our SPC statistical process control with CPK ≥ 2.0 ensures process capability and consistency across all production runs.
Trusted by industry leaders:
Our precision turning services have earned the trust of renowned enterprises worldwide, including Huawei, BYD, Foxconn Group, Mindray Medical, Bosch, Delphi, Medtronic, and Siemens. These partnerships validate our ability to meet the most demanding quality, delivery, and compliance requirements across multiple high-stakes industries.
Confidentiality commitment:
We maintain a strict culture of keeping client information confidential, ensuring that your proprietary designs, processes, and product specifications remain secure throughout our partnership. This commitment has helped us build long-term relationships with 5,000+ customers globally.
A: We produce a wide range including shafts, discs, flanges, sleeves, bushings, threaded components, and custom rotational geometries in various metals, with diameters from φ0.1mm up to φ500mm and lengths up to 2000mm.
A: Our first-pass quality qualification rate is 99.9%, achieved through rigorous SPC process control, 100% inspection of critical dimensions, and 16 dedicated quality personnel overseeing every production stage.
A: Yes, we support order quantities from 1 piece for prototypes up to 999,999 pieces for mass production, maintaining the same precision standards and quality controls regardless of order size.
A: We integrate high-quality surface treatment resources including vacuum heat treatment, anodizing, various plating options, polishing, and coating services, providing complete one-stop solutions for your rotational metal components.
A: We are certified to ISO9001:2008 quality management system and ISO14001:2004 environmental management system standards, with products following China national standards and additional industry-specific compliance as required.
A: Packaging follows customer specifications or our internal enterprise standards. Outer packaging boxes withstand 1 hour of water immersion and protect parts from damage when dropped from 1 meter height, ensuring safe delivery worldwide.
A: Our standard payment terms are prepayment, or prepayment plus balance payment before shipment. Specific terms can be discussed based on order size and customer relationship.
Sanluo stands as your trusted China-based partner for Precision Turning for Rotational Metal Components, combining 18+ years of manufacturing excellence with 130+ precision machines, 230+ skilled professionals, and a proven 99.9% quality rate. Our comprehensive material processing capabilities — from common steels and aluminum to titanium alloys and high-temperature superalloys — paired with integrated surface treatment options, means you receive fully finished, ready-to-use components from a single source. We serve 5,000+ customers across 500,000+ annual pieces, with production cycles from 3 to 20 days and flexible order quantities from 1 to 999,999 pieces. Located in the heart of the Pearl River Delta with convenient global logistics access, we deliver precision-engineered rotational metal components on time, every time. Contact us today to discuss your project and experience the Sanluo advantage in precision turning.
