◆ 01 / 0507
2018
Company Founded
FOUNDED
27 July 2018
Zhuzhou Delong Metal Material Processing Co., Ltd. is founded, entering the carbide CNC insert business with a focus on R&D and manufacturing.
AboutCompany
About Delong
Carbide CNC insert manufacturer · Zhuzhou National High-Tech Zone · since 2018
Founded
2018
Annual Output
20Minserts
Patents
14granted
Export
20+countries
◆IAt a GlanceProfile
Carbide Since 2018.
It All Starts with Precision
Founded in July 2018, Zhuzhou Delong Metal Material Processing Co., Ltd. is based in the Zhongnan Hi-Tech Intelligent Manufacturing Industrial Park, Zhuzhou High-Tech Zone — in the city known as China’s capital of cemented carbide. We specialize in the R&D, manufacture and sale of high-end carbide CNC inserts, and also produce custom non-standard carbide products to customer requirements.
HQ · Zhuzhou High-Tech Zone27.83°N · 113.15°E
◆Equipment01 / 03
RMB 50M · 50 Machine Sets
After moving to a new plant in 2022, we invested nearly RMB 50 million in pressing, sintering, precision grinding and inspection equipment. Tolerances are held to ±0.05 mm — tighter than the ±0.08 mm Chinese national standard.
◆R&D & Quality02 / 03
Nearly 6% of Revenue in R&D
14 Chinese patents (1 invention + 13 utility models), three ISO management system certifications and 4 software copyrights. Six process steps, from powder blending to coating, each with traceable records.
◆Reach03 / 03
20+ Export Markets · 4 Branches in China
Branches in Wenling (Zhejiang), Dongguan (Guangdong), Suzhou (Jiangsu) and Zhuzhou (Hunan) serve East, South and Central China. Our inserts are exported to more than 20 countries across Europe, the Americas, Southeast Asia and the Middle East.
01
0M+
Inserts a Year
Annual Output
50 precision machine sets
02
0+
Employees
Headcount
20+ senior technicians
03
0+
Export Markets
Countries & Regions
Europe & Americas / SE Asia / Middle East
04
0
Granted Patents
Patents
1 invention + 13 utility models
◆IIProduct RangeCapability
One Insert,
Thousands of Jobs
From rough turning to finish milling, from catalog models to custom non-standard designs — Delong’s full product range covers every stage of metal cutting. Behind every insert is a precise balance of carbide grade, cutting geometry and coating.
/ 01
◆ Turning
Negative · Positive · Ceramic
View Series→/ 02
◆ Milling
Standard · Side-and-face · Round
View Series→/ 03
◆ Grooving & Threading
Grooving · Parting · Threading
View Series→/ 04
◆ Precision
Cermet · High-precision finishing
View Series→/ 05
◆ Drilling
DTH · Deep-hole
View Series→/ 06
◆ Special-Purpose
Bar peeling · Wheel hub · Profiling
View Series→◆IIIOur JourneyHeritage
Eight Years
and Still Moving Forward
From a single workshop to National High-Tech Enterprise, Hunan Specialized SME and digitalization exemplar — five milestones that trace every step of our growth.
◆ 02 / 05—
2022
National High-Tech Enterprise
HIGH-TECH · PLANT
New plant · RMB 50M equipment
Recognized as a National High-Tech Enterprise. The same year we moved into Building 36 of the Zhongnan Hi-Tech Park and invested nearly RMB 50 million in 50 sets of pressing, sintering, grinding and inspection equipment.
◆ 03 / 0503
2023
Hunan Specialized SME
ISO · SPECIALIZED
ISO 9001 / 14001 / 45001
Recognized as a Hunan Province “Specialized, Refined, Distinctive and Innovative” SME, and certified to ISO 9001, ISO 14001 and ISO 45001.
◆ 04 / 0507
2025
Digitalization Exemplar
EXEMPLAR · RENEWED
High-Tech status valid to 2028
Named a Zhuzhou City model for SME digital platform development. The same year our National High-Tech Enterprise status passed review, valid until 2028.
◆ 05 / 0509
2026latest
ISO Triple Certification
ISO · RE-VERIFIED
Valid to 2029
Passed audits again for ISO 9001 (quality), ISO 14001 (environment) and ISO 45001 (occupational health & safety), with certificates valid until September 2029.
◆ 2026
Five Key Milestones2026 →ongoing
◆IVWhat We Stand ForManifesto
Values That Drive Us,
Built to Last
Our purpose, culture and spirit — three lines written on our walls, built into our processes and cut into the geometry of every insert.
◆01 / 03
Purpose
Quality Creates Value
Integrity Wins the World
Working with our customers and employees to create quality products and sound social and economic returns — and to earn trust through integrity.
◆02 / 03
Culture
Excellent Quality · Customer First
Pioneering Innovation · A Shared Future
Pursuing excellence in product quality and customer experience, and innovating continually with our customers and employees to build a better future together.
◆03 / 03
Spirit
Unity · Dedication
Efficiency · Pragmatism
Our whole team stands together and works hard — practical in attitude, efficient in execution — to build a stronger, larger Delong.
◆VInside the PlantFacility
From Powder
to Cutting Edge
Nearly RMB 50 million invested in 50 sets of advanced equipment covering pressing, sintering, precision grinding and inspection. WALTER five-axis grinding, CMM measurement and a fully digitalized production line let us build precision into every insert.
RMB 50M Equipment50 Machine SetsWALTER Precision GrindingCMM Inspection
◆ Park · Aerial View
Zhongnan Hi-Tech Park · Building 36
◆ WALTER · CNC
CNC Precision Grinding · 5-Axis
◆ FINISH · ±0.05mm
Finished Inserts · Mirror-Grade Precision
01
Control Console
02
Finished-Goods Warehouse
03
Reception
◆VICredentialsHonors
Quality, Written into
Every Certificate
14 Chinese patents · ISO 9001, 14001 and 45001 · National High-Tech Enterprise and Hunan Specialized SME status · Zhuzhou digitalization exemplar — each certificate is our formal commitment to quality and sound management.
01
14
Chinese Patents
1 invention + 13 utility models
02
3
ISO Systems
9001 / 14001 / 45001
03
7
Honors & Credentials
High-Tech / Specialized SME / Digital
04
4
Software Copyrights
Production · Management · Quality · Risk alert
◆Certificate Wall5 ITEMS
◆ 01 / 052025
National High-Tech Enterprise
Issued by Ministry of Science and Technology / Ministry of Finance
◆ 02 / 052023
Hunan Specialized SME
Issued by Hunan Provincial Department of Industry and Information Technology
◆ 03 / 052026-09
ISO 9001 Quality Management
Issued by ZRIC, Shenzhen (CNCA-R-2016-269)
◆ 04 / 052026-09
ISO 14001 Environmental Management
Issued by ZRIC, Shenzhen (CNCA-R-2016-269)
◆ 05 / 052026-09
ISO 45001 Occupational Health & Safety
Issued by ZRIC, Shenzhen (CNCA-R-2016-269)
VII / Contact· Next Step
Tell Us What You Cut.
We’ll Get It Solved
From insert selection and sample cutting trials to volume supply, our engineers and sales team are here to help. Tell us your workpiece material, process and batch size, and we’ll come back with a solution within 48 hours.
24h ResponseFree Sample±0.05mm Tolerance20+ Countries