High-quality Precision Machining · Zhongshan China
Machining Your Parts Per Your Drawings
HPM is a precision machining factory that works to your drawing rather than to a catalogue. Turning, milling, wire cut, grinding and treatment run as one turn-key route, and our expert service is the hole most shops send out: under 1 mm, down to 0.05 mm, at Ra0.8.
- 0.05 mmMinimum hole diameter
- Ra0.8Micro hole surface roughness
- ±0.002 mmHigh grade diameter tolerance
- ISO 9001:2015Certified quality system
Who We Are
High-quality Precision Machining (HPM) is a factory that focuses on offering customized machining services according to drawings.
Turn-key services include:
- NC turned
- Swiss turned
- CNC milled
- Precision wire cut
- Plating, anodizing, painting
- Hardening, carburization, nitriding
Special Expert Service
Ultra-small hole drilling is what HPM is known for and it is the reason most customers arrive.
Ultra-Small Hole Drilling
One of the special expert services at HPM is machining the ultra-small hole with a diameter under 1 mm by milling. The minimum diameter can be 0.05 mm and the surface roughness reaches Ra0.8.
We have offered this service for:
- Printing nozzle
- Optical fiber connector
- High pressure mist nozzle
- Other special fields that need very smooth micro holes
Our Services
Seven routes through the same factory, quoted and managed as one order.

Swiss Turning
Sliding head turning for long slender parts and small diameter work that has to hold its tolerance along the whole length.
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CNC Turning
Turned parts made to drawing, from single prototypes through to repeat production runs.
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CNC Milling
Milled blocks, plates, manifolds and profiled components machined to your drawing.
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Grinding
Grinding as the finishing step where a turned or milled surface alone will not meet the drawing.
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Wire Cut
Precision wire cutting for profiles, hardened material and features a cutter cannot reach.
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Ultra-Small Hole Drilling
Holes under 1 mm produced by milling, down to a minimum diameter of 0.05 mm with surface roughness reaching Ra0.8.
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Surface And Heat Treatment
Plating, anodizing and painting, plus hardening, carburization and nitriding, handled inside the same order.
View Service →How HPM Ensures High Quality
High-End Equipment
High-end equipment is the basic factor to produce high-quality products. Both the production equipment and the inspection devices are famous brands.
- Swiss TurningCITIZEN
- NC TurnedMAKINO
- CNC MilledBROTHER
Experienced Technical Team
The factory owner has worked in the precision machining industry for more than 12 years and is familiar with every type of fabrication technique, especially ultra-small hole drilling. All management members and technicians are experts in their own field. HPM is an experienced expert factory.
System Management
HPM is an ISO 9001:2015 quality management system certified factory.
The certified system is what keeps the checks below consistent from the first article through to the last part of the run.
Quality Concept
The quality concept is the core and the most important factor behind the level of precision machining service HPM can offer.
Material
The grade and the chemical composition must comply with what the drawing requires.
Dimension
Every dimension must comply with the tolerance the drawing specifies.
Treatment
Every treatment must comply with the standard the drawing specifies.
Production Workshop
Real photographs of the machines that cut your parts.
Parts Made By HPM
Turned, milled and cross drilled components produced to customer drawings.
How To Get A Quotation
From Drawing To Delivery
- 1
Email your drawing to in PDF, DWG or STEP. The mailbox is checked for quotations 24 hours.
- 2
Tell us the quantity, the material grade, the tolerance that matters and any surface or heat treatment the drawing calls for.
- 3
We review the drawing against our equipment and come back with the price and the lead time.
- 4
On approval we machine a first article and check it on material, dimension and treatment before the run starts.
- 5
The run is produced, inspected in the measuring room and shipped, with treatment handled inside the same order.
Frequently Asked Questions
What Does HPM Actually Do
HPM is a factory that machines customized parts according to your drawings. The turn-key route covers NC turning, Swiss turning, CNC milling, precision wire cut, plating, anodizing and painting, and hardening, carburization and nitriding.
How Small A Hole Can You Machine
Holes with a diameter under 1 mm are produced by milling. The minimum diameter is 0.05 mm and the surface roughness reaches Ra0.8.
What Equipment Do You Run
Swiss turning on CITIZEN, NC turning on MAKINO and CNC milling on BROTHER. The inspection devices are held to the same brand standard as the production equipment.
Are You Certified
Yes. HPM is an ISO 9001:2015 quality management system certified factory.
What Do You Need To Quote A Part
A drawing, the quantity, and any surface or heat treatment requirement. Email it to and we come back with the price and the lead time.
How Do You Decide Whether A Part Passes
Against three things, all taken from your drawing: the material grade and chemical composition, every dimension against its specified tolerance, and the treatment against its specified standard.
Send Us The Drawing And We Will Quote It
Machining your parts per your drawings. Email the drawing and the quantity and we come back with the price and the lead time.