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Dourland · Metalworking Media Expert

Metalworking Fluids &
Lubricants, Engineered

R&D · Production · Sales · Service under one roof — cost-effective products and the best-fit technical solutions for the metalworking industry.

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Quality & Trust

Every Drop, Precisely Blended

Refined base oils × selected additives — from hydraulic systems to CNC machines, we keep every piece of equipment running stable.

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Premium Lubrication

Smoother Drive,
Preciser Machining

60+ product grades covering cutting, forming, rust prevention and heat treatment — responding fast to new processes and materials.

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Smart Manufacturing

Your Media Partner
for Smart Manufacturing

Trusted by BYD, Chen Hsong, Midea, AUX, Changhong and other leading enterprises. Our motto: Sincere, Pragmatic, Quality, Efficient.

01 / 04
12+
Years in Metalworking
67+
Product Grades
4
Provincial Certifications
2
State-Council Allowance Advisors
PRODUCTS
Products

A Full-Process Matrix for Metalworking

From cutting fluids and hydraulic/guide oils to forming, rust-preventive and heat-treatment media — 67+ grades, tailored to your conditions.

Semi-Syn.CNC gear machining scene

DL Sc 510 Semi-Synthetic Cutting Fluid

A stable emulsion system for general metal cutting, balancing lubrication and cooling with excellent value.

General cuttingCentral systems
Details
SyntheticStainless steel cutting fluid

DL Syn 4070 Fully Synthetic Cutting Fluid for Stainless Steel

Designed for hard-to-machine stainless steel, with outstanding extreme-pressure lubrication and rust protection.

Stainless steelEP lubrication
Details
GrindingLaboratory oil samples

DL Syn 5507 Carbide Grinding Fluid

Built for carbide (tungsten steel) grinding with good settling behavior, ensuring fine surface finish.

Carbide grindingFine finish
Details
EcoGolden fluid abstract background

DL Syn 5502JFX Eco Fully Synthetic Cutting Fluid

Eco-friendly fully synthetic formulation — low foam, long sump life, ideal for central systems.

Eco formulaLow foam
Details
HM SeriesLathe machining scene

DL HM High-Grade Anti-Wear Hydraulic Oil

For general hydraulic and circulation systems, blended from refined mineral base oils and selected additives.

ISO 32 / 46 / 68
Details
HS SeriesLow-temperature hydraulic oil

DL HS Low-Temp Anti-Wear Hydraulic Oil

Semi-synthetic base oil with high-performance additives for low-temperature anti-wear duty; excellent viscosity-temperature and demulsibility.

ISO 32 / 46Low temp
Details
GuideMetal gear transmission close-up

DL HG Hydraulic Guide Oil

One oil for hydraulics and slideways — excellent anti-stick-slip performance for combined systems.

Anti stick-slipDual duty
Details
CNCCNC machine

DL No.68 Guide Oil for CNC Machines

Tailored for CNC machine slideways: good tackiness and anti stick-slip behavior to protect precision rails.

VG68CNC machines
Details
Heavy DutyGear transmission parts

DL CKD Heavy-Duty Gear Oil

For heavily loaded gearboxes: superb extreme-pressure anti-wear performance and thermal stability.

EP anti-wearIndustrial gearboxes
Details
SyntheticSynthetic gear oil

DL SHL Synthetic Heavy-Duty Gear Oil

Synthetic base oil for wide temperature range — ideal for high heat, heavy loads and extended drains.

Wide tempLong life
Details
Worm GearWorm gear drive

DL Worm Gear Oil

For low-speed, high-load sliding contact of worm gear sets — excellent oiliness and transmission efficiency.

Sliding contactQuiet running
Details
FD SeriesSpindle oil samples

DL FD Series Spindle Oil

Good lubricity, cooling and thermal stability, blended from refined base oils and multiple additives.

VG 3 / 7 / 10Precision spindles
Details
DrawingForming and filling equipment

DL Form 106 Stainless Steel Drawing Oil

High film strength and EP performance to prevent galling and die wear in stainless steel drawing.

Stainless steelDeep drawing
Details
StampingAluminum foil stamping

DL Form 101W-1 Aluminum Foil Stamping Fluid

For high-speed aluminum foil stamping — volatile, low residue, keeps foil surfaces bright and clean.

Aluminum foilHigh speed
Details
Die CastingDie casting workshop

DL TK 2001 Die-Casting Release Agent

For aluminum-alloy die casting of electronics: clean release, no carbon build-up, protects dies and castings.

Aluminum die castingDie protection
Details
LubricantMetal forming lubrication

DL HCR 8B Aluminum Stamping Lubricant

High-efficiency lubricant for aluminum stamping — fewer cracks, higher yield.

Higher yieldAluminum
Details
Rust OilRust preventive oil samples

DL rustilo 409P Rust Preventive Oil

Long-term preservation with an even, dense oil film — ideal for storage and marine shipment of metal goods.

Long-termStorage & shipping
Details
Water-BasedRust preventive water

DL RP 412 Rust Preventive Water

Economical water-based inter-process rust protection for machined parts.

Inter-processWater-based
Details
QuenchingQuenching oil

DL quench 115 Martempering Quench Oil

Ideal cooling curve and brightness — minimal distortion, uniform hardness for precision heat treatment.

MartemperingBright finish
Details
Heat TransferHeat transfer system

DL HTO 320 Heat Transfer Oil

Mineral heat-transfer oil with strong thermal stability and low coking tendency for indirect heating systems.

320°CThermal stability
Details
CompressorScrew air compressor oil

DL SCR-DAJ Screw Air Compressor Oil

Tailored for screw compressors: excellent oxidation resistance and oil-water separation for long runs.

Screw typeLong service
Details
SyntheticSynthetic compressor oil

DL SCR-G Synthetic Screw Air Compressor Oil

Synthetic formulation with low carbon deposit at high temperature and extended drain intervals.

High tempExtended drain
Details
EDMEDM fluid

DL EDM 110 EDM Fluid

Low evaporation and odor, with excellent insulation and cooling for stable, efficient spark erosion.

Low evaporationInsulating
Details
SawingSawing lubricant

DL FT-8 Sawing Lubricant

Designed for metal sawing: less blade wear and clogging, cleaner cuts, higher efficiency.

Metal sawingLess wear
Details
Ask for Full Catalog 67+ grades and growing · Application-tailored selection support

We strive to offer more friends in the metalworking industry
cost-effective products and the best-fit technical solutions

DOURLAND BRAND STATEMENT
About Us

Dourland — Moving Forward
with the Metalworking Industry

Founded in December 2014, Guangzhou Dourland Medium Technology Co., Ltd. is a technology-driven enterprise integrating R&D, production, sales and service of metalworking fluids and lubricants. We were certified as a Guangzhou high-tech enterprise in 2018, and passed GB/T19001-2016 / ISO 9001 quality and GB/T24001-2016 / ISO 14001 environmental management system certifications in 2020.

We operate an advanced R&D laboratory with modern production and testing equipment. Our team is seasoned, and we have engaged two professor-level senior engineers holding State Council allowances as advisors — enabling fast response to challenges raised by customers' new processes and materials.

High-Tech Enterprise Specialized & Innovative SME Innovative SME Technology-Based SME ISO 9001 ISO 14001
CNC gear machining served by Dourland
Dourland laboratory testing
10+
Years in Metalworking Media
Why Dourland

Why Choose Dourland

Guided by our motto — Sincere, Pragmatic, Quality, Efficient — we are the reliable media partner behind metalworking enterprises.

Expert R&D Team

Two professor-level senior engineers holding State Council allowances serve as advisors; our R&D and service teams bring deep industry experience.

Professional Testing

Air release value tester, demulsibility tester, foam characteristics tester, micro-water tester, distillation/flash/pour point testers, low-temperature chamber and more.

Dual System Certification

Certified to ISO 9001 quality and ISO 14001 environmental management systems; selected member of the Brand Power Program for cutting fluids.

Fast Response

Rapid reaction to issues from new processes and materials, delivering the right product and selection proposal while continuously developing new products.

HONORS
Honors

Hard Strength Behind the Honors

National High-Tech Enterprise · Specialized & Sophisticated SME · Innovative SME · Science & Technology SME

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
PARTNERS
Partners

Trusted by Leading Enterprises

Our products have been serving BYD, Chen Hsong, Midea, AUX, Changhong and other leading companies.

BYD
Chen Hsong Group
Midea
AUX
Changhong
BYD
Chen Hsong Group
Midea
AUX
Changhong
NEVInjection MoldingHome AppliancesConsumer ElectronicsCNC Machine Tools
NEWS
News

Dourland Updates & Honors

Specialized and Innovative SME plaque
122023-12

Dourland Certified as Guangdong "Specialized & Innovative SME"

Recognized by the Guangdong Department of Industry and Information Technology, validating our specialized and refined capabilities.

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Innovative SME plaque
122022-12

Dourland Certified as Guangdong "Innovative SME"

With sustained R&D and technical innovation, Dourland was listed as a Guangdong Innovative SME with a three-year validity.

Read More
Brand Power Program
062020-06

"Dourland" Selected into the Brand Power Program

After qualification reviews and public-opinion monitoring, Dourland became a preferred member unit of the Brand Power Program in the cutting-fluid industry.

Read More
CONTACT

Contact Us

Welcome to inquire about product selection, technical support and cooperation — our engineers will get back to you shortly.

AddressNo. 21 Xinucun Street, Gaosha Village, Gangzhen, Nansha District, Guangzhou
Hotline020-32389086 (Mon–Fri 8:30 – 17:30)
Email13802527886@163.com

Online Inquiry

Leave your requirements and we will follow up immediately.

Submitting opens your mail client addressed to 13802527886@163.com. You may also call our hotline directly.

Careers

Join Dourland, Grow with the Industry

We are always looking for R&D, sales and service talents passionate about the metalworking industry. Send your resume to: 13802527886@163.com

Apply Now

Sincere · Pragmatic · Quality · Efficient
At Your Service

Advancing toward a modern enterprise, moving forward with time

SPQE