Position：
/
Quality assurance
Our team is dedicated to making sure all parts you order are delivered on time and meet your quality expectations.
Quality Assurance
Factory Employees
Factory Employees
Factory Employees
Factory Employees
HLH CNC manufacturing standards
We follow DIN-2678-1 standards for CNC Machining.
Limits for nominal size
Plastics (DIN-2678-1- m)
Metals DIN-2678-1- f)
0.5mm* to 3mm
±0.1mm
±0.05mm
Over 3mm to 6mm
±0.1mm
±0.05mm
Over 6mm to 30mm
±0.2mm
±0.1mm
Over 30mm to 120mm
±0.3mm
±0.15mm
Over 120mm to 400mm
±0.5mm
±0.2mm
Over 400mm to 1000mm
±0.8mm
±0.3mm
Over 1000mm to 2000mm
±1.2mm
±0.15mm
Over 2000mm to 4000mm
±2mm
/
CNC Lathe
CERTIFICATIONS
UKAS ISO 9001: 2015
UKAS ISO 14001:2015
ISO/IEC 27001: 2013
IATF 16949:2016
Material certifications, data sheets, and test reports are available on request.
Email sales info@hlhcnc.com for details
CERTIFICATIONS
Resolving quality issues
Should your order not meet specifications, you will be able to raise any issues within 5 business days of receiving your parts. Our order fulfillment team will resolve these issues as quickly as possible, typically within 1-3 business days.
Resolving quality issues