Stainless Steel

About Us

Engineer working in CNC precision engineering


LAIRUN was founded in 2013,We are a medium-sized CNC machining parts manufacturer, dedicated to providing high-quality precision parts for a variety of industries. We have about 80 employees with years of experience and a team of skilled technicians, we have the expertise and the state-of-the-art equipment necessary to produce complex components with exceptional accuracy and consistency.


Our capabilities include CNC milling, turning, drilling, tapping, and more, using a wide range of materials, such as aluminum, brass, copper, steel,plastics,titanium ,tungsten,ceramic and Inconel alloys. We are committed to meeting the specific needs of our clients, whether they require prototyping, small-batch production, or large-scale manufacturing.
We take pride in our rigorous quality control process with ISO 9001:2015 , which ensures that every part we produce meets or exceeds the highest standards of performance and durability. We also offer competitive pricing, fast turnaround times, and excellent customer service, making us the preferred partner for businesses seeking reliable, cost-effective machining solutions.


Whether you need custom parts for automation,aerospace, automotive, medical,Oil & gas,semiconductor, tele-communication or any other industry, we have the expertise and the resources to deliver on your requirements. Contact us today to learn more about our services and how we can help you achieve your manufacturing goals.


“ Professional technology, Precision manufacturing, Excellent quality, Advanced management, Fast turnaround service 

RFQ response within 24 hours.

Fastest delivery is 1 day.

Production equipment and testing equipment from Germany, Japan, Korea and Taiwan.

Company owner and management team has working experience in Fortune 500.

Engineering team are Bachelor degree or above in mechanical major.

100% inspection during production to ensure the quality.

Located in Dongguan city, the manufacturing capital of the world, with complete supply chain from material to surface treatment.

ERP system management.


Fast response to quotes

Friendly&professional approach.
Outstanding high quality.
PPAP Document control.
Value engineering support.
Complex parts manufacturing(CNC milling service, CNC turning service, Turning service, grinding ect).
 Surface/heat treatment ( anodizing, passivating , chroming,powder,painting,blacken, plating zinc,plating nickel ect.).
Jig and fixture.

We are committed to the success of our customers by providing the highest quality products, service, and support.

☑ Whatever your requirements we have the knowledge and experience to support you. Please take the time to review some of what we do on our product pages.


How does LAIRUN maintain high quality standards?

Fully implement ISO 9001:2015 Quality Management System

GD&T (Geometric Dimensioning and Tolerance) Training for quality assurance, manufacturing engineering and production staff.

In-process quality control throughout the shop floor.

Ongoing Process Improvements through daily and weekly reviews.

Our company specializes in the production of all kinds of non-standard precision machining parts.

Our company can process all kinds of aluminum alloy, copper alloy, zinc alloy, stainless steel, carbon steel, iron, magnesium alloy and other materials.
Our products include AUTO PARTS, auto air conditioning parts, EVAPORATORS, condensers, PIPE ASSEMBLIES, PIPE FLanges, JOINTS, nuts, expansion VALVES, elbow pipes, pressure switches, silencers, aluminum sleeves, sleeves,Cylinder and other auto parts.
Our company can manufacture all kinds of non-standard CNC machined parts according to customer requirements, including shaft, shaft sleeve, piston rod, connector, all kinds of assembly parts, flange joints, pneumatic parts, hydraulic parts, hardware parts, fasteners and so on.

LAIRUN, Professional precision machinery parts manufacturer. Your Partner in Precision Mechanism.