Dongguan Jieyu Machinery Co.

What Dongguan Jieyu Machinery Co. does

Dongguan Jieyu Machinery Co., Ltd. (东莞杰宇机械有限公司) is a privately held Chinese specialty manufacturer founded in 2007 in Dongguan, Guangdong, that designs and produces high-performance injection molding machine screws and barrels, with roots in the founder's injection molding work dating back to 1997. Its core technical differentiation rests on proprietary alloy materials and processes developed over roughly two decades, including JY-series powder metallurgy alloys, HIP (Hot Isostatic Pressing) processed JY58 and JY60 series alloys, full-overlay full-metallurgical alloy screw technology patented in 2006, twin alloy screws with tungsten carbide/nickel-based/cobalt-based surface layers, and a newer generation of JFA and JN series metal ceramic materials. Manufacturing is supported by in-house developed equipment including CNC full-grinding screw machinery, CNC polishing machines, CNC vertical honing machines, and 6-axis servo screw profile grinders, all covered by multiple granted invention and utility model patents.

The company's product portfolio spans standard injection molding machine screws, metal ceramic screws, halogen-free screws, wear- and corrosion-resistant dual alloy screws, optical screws, and connector screws, alongside proprietary metal ceramic wear-resistant alloy materials and screw grinding/polishing equipment. Jieyu positions its screws for demanding polymer processing environments involving glass-fiber reinforced plastics, halogen-free compounds, and engineering plastics such as PPA, PO, PPS, LCP, and ABS, claiming service life 3-5x longer than ordinary nitrided screws. End-use segments include optical fiber communication, electronics, medical devices, automotive parts, household appliances, and industrial gears.

Revenue is generated through B2B direct sales with custom-engineered solutions and contact-based pricing, marketed via a multi-language website (Chinese/English/Japanese), QQ, WeChat, and direct phone lines, with international sales channels established in 2020. Jieyu also sells metal ceramic semi-finished products to peer screw manufacturers, creating a dual go-to-market of direct end-user sales and upstream B2B material supply. Ownership is founder-controlled, no institutional investors are disclosed, and the company holds National High-Tech Enterprise certification and ISO 9001 quality management certification.

Name

Dongguan Jieyu Machinery Co.

Legal name

东莞杰宇机械有限公司

Website

https://dgjieyu.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Dongguan Jieyu Machinery Co. is a privately held Chinese manufacturer that designs and produces proprietary alloy and metal ceramic injection molding machine screws and barrels for industrial customers in optical fiber, electronics, medical, automotive, appliance, and gear production.

Ownership category

akta.pro rank

Product category

Injection Molding Machine Components

NAICS

Cutting Tool and Machine Tool Accessory Manufacturing (333515)

SIC

Screw Machine Products (3451)

akta.pro primary industry

Industrial & Machinery Injection Molded Components (Gears, Wear Parts) (IMANAFAF)

Keywords

• Injection molding screws
• Barrel manufacturing
• Wear resistant alloys
• Precision machining equipment
• Screw grinding machines

Headquarters

HQ city

Dongguan

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Screw and Barrel Manufacturing: Manufacturing and sales of injection molding machine screws, barrels, and related components including wear-resistant screws, optical screws, halogen-free screws, alloy screws, and connector screws. Products are sold directly to customers with customization options available.
2. Metal Ceramic Materials: Sales of proprietary metal ceramic wear-resistant alloy materials (JY series, JFA series, JN series) to end customers and peer companies
3. Screw Processing Equipment: Manufacturing and sales of screw grinding and polishing equipment including CNC grinding machines, CNC polishing machines, and vertical honing machines
4. Customization Services: Customized screw design and manufacturing services for specific injection molding applications, providing overall factory solutions

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Manufactures specialized ultra wear-resistant and corrosion-resistant screws and barrels for injection molding machines using proprietary metal ceramic alloy materials (JY series, JFA series, JN series). Also produces proprietary CNC screw grinding, polishing, and honing equipment, and offers customized screw design with overall factory solutions for injection molding operations.

Product overview

Dongguan Jieyu Machinery Co. is a national high-tech enterprise specializing in the research, development, and manufacturing of ultra-wear-resistant and corrosion-resistant screws and barrels for injection molding machines. The company operates as a one-stop supplier offering a comprehensive product portfolio centered around precision screws (including injection molding machine screws, metal ceramic screws, halogen-free screws, wear-resistant dual-alloy screws, optical screws, and connector screws), complemented by proprietary metal ceramic alloy materials (JY and JFA series) and CNC-based screw grinding and polishing equipment. Their offerings serve demanding industries including optical fiber communication, electronics, medical, automotive parts, home appliances, and industrial gears.

Differentiator

Problem solved

Functional benefit

Products and services

• Injection Molding Machine Screw Precision screws for injection molding machines, including specialized variants compatible with machine brands like Fanuc, Sodick, Nissei, and Sumitomo, sold to injection molding manufacturers and operators.
• Metal Ceramic Screw High-performance screws with metal ceramic coating offering superior wear resistance and corrosion resistance for demanding injection molding applications processing glass fiber reinforced and engineering plastics.
• Halogen-Free Screw Specialized screws designed for processing halogen-free materials, meeting environmental compliance requirements for injection molding.
• Wear-Resistant and Corrosion-Resistant Screw Dual-alloy screws with surface layer of imported tungsten carbide (WC/Co) nickel-based alloy providing 3-5x longer service life than standard nitrided screws for injection molding operations.
• Optical Screw Precision screws designed for optical applications requiring high surface finish and dimensional accuracy for transparent product manufacturing in injection molding.
• Twin Alloy Screw High-performance dual-alloy screws with SKD61 base alloy and wear-resistant surface layer of imported tungsten carbide, nickel-based, and cobalt-based alloys for glass fiber reinforced and special engineering plastics processing.
• Connector Screw Specialized screws for connector applications featuring enhanced sealing design achieving IPX-7 waterproof rating for underwater operation in injection molding.
• Metal Ceramic Wear-Resistant Alloy Materials Proprietary JY series, JFA series, and JN series metal ceramic alloy materials for screw and barrel manufacturing with varying hardness levels (HRC55-65), sold as semi-finished and finished products to peer companies and end customers.
• CNC Full Grinding Screw Precision-ground screws manufactured using CNC grinding technology for superior tooth profile accuracy after heat treatment.
• Screw Grinding and Polishing Equipment Specialized manufacturing equipment for screw processing including automatic screw grinder (MK2000), CNC polishing machine (MP3000), and vertical honing machines, sold to screw manufacturers.

Quantifiable outcome

• Screw lifespan 3-5 times longer than ordinary nitriding and heat treatment screws
• +3 more outcomes

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Domestic Institutions of Higher LearningcoreStrategic or Co-development PartnerJieyu collaborates with domestic universities and research institutions to promote production-research platform development, focusing on future plastic mechanical component products and services. The company has also worked with multiple surface engineering research institutes to develop the full coverage metallurgical alloy screw technology in 2006.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Engel Holding: Austrian injection molding machinery OEM with strong European presence. Comparable as a plastics machinery incumbent whose OEM screw specifications influence competing screw suppliers like Jieyu.
• Reifenhäuser Group: German plastics extrusion and injection machinery group. Adjacent incumbent with in-house screw know-how that defines the performance benchmark for specialty alloy screws serving engineering plastics.
• Haitian International: World's largest injection molding machine OEM and a Chinese peer of Jieyu's home market. Sets the volume baseline and spare-parts ecosystem that Jieyu's screws either feed into or compete against.
• Milacron (Hillenbrand): Major US-headquartered plastics processing technology group with injection molding machinery and screw/barrel aftermarket offerings. Overlaps Jieyu's addressable market but as part of a broader portfolio.
• KraussMaffei: Large German plastics and rubber machinery OEM. Indirectly comparable: KraussMaffei consumes high-end screws internally and shapes the OEM-qualified vendor landscape Jieyu must navigate.

Direct peers

• CPM Extrusion Group: US-based manufacturer of screws, barrels, and extrusion components. Comparable in being a specialist supplier of precision machined wear components into plastics processing OEMs.
• Bimex Industries: Canada/US precision screw and barrel manufacturer serving injection molding and extrusion. Comparable product portfolio (bimetallic screws, specialty alloys) targeting similar plastics processing customers.
• Nordson XALOY: A leading global manufacturer of screws, barrels, and wear parts for plastics injection molding and extrusion. Most direct head-to-head competitor to Jieyu in bimetallic and specialty alloy screws for demanding plastics applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Dongguan Jieyu Machinery Co.