简体/繁體/EN
Hotline020-32389086
Honors

Honors & Strengths

National High-Tech Enterprise and "Specialized & Sophisticated" SME dual certification — 12 years of metalworking media expertise trusted by leading manufacturers.

HONORS
HONORS
HONORS

Provincial Honors Wall

Four provincial-level certifications reflect continuous innovation and growth in metalworking media.

High-Tech Enterprise
High-Tech EnterpriseRenewed in Dec 2024, valid for three years
Specialized & Sophisticated SME
Specialized & Sophisticated SMEDept. of Industry & IT of Guangdong · Dec 2023
Innovative SME
Innovative SMEDept. of Industry & IT of Guangdong · Dec 2022
Science & Technology SME
Science & Technology SMEDept. of Science & Technology of Guangdong · Jun 2021
12yrsIn metalworking media (since 2014)
68+Product models
4Provincial certifications
24hSelection support response
BRAND
BRAND

Brand Certifications

Dot-Trademark digital brand certification and official website certification — scan to verify the Dourland brand.

Dourland dot trademark QR code
Dourland . TrademarkDot Trademark Certification · Scan to verify
Official website certification
Official Website CertificationCertified badge of the Dourland official website
Wangju brand certification
Wangju BrandOnline brand certification · Wangju Brand member
STRENGTH
STRENGTH

R&D · Manufacturing · Quality · Service

End-to-end capabilities from formulation R&D to on-site service support the stable quality of every drop.

R&D Strength

In-house lubricant laboratory and R&D team with controllable formulations and custom development.

Manufacturing

Modern blending and filling lines — 68 models with flexible scheduling and stable delivery.

Quality Control

Full-process inspection: viscosity, concentration, rust and cooling performance tested batch by batch.

Service Network

24-hour response with on-site process engineering support.

CNC Machining WorkshopCNC Machining Workshop
Oil Testing LaboratoryOil Testing Laboratory
Automated Filling LineAutomated Filling Line
Precision Machining SitePrecision Machining Site

Let qualifications and strength back your choice

Factory and laboratory visits are welcome