CN EN
More than twenty years of professional machining
Actively explore new technologies and techniques
150
+
Number Of Employees In The Enterprise
20
+
Development History
68
+
Patent Certificates
800,000
+
Annual Production (Pieces)

Ningbo Dongju Machinery Manufacturing Co., Ltd, founded in 2004, specializes in machinery manufacturing, and its main products cover a wide range of fields such as hardware fittings, machinery fittings, valves, pre-stressing components, solar rotary drive equipment, etc. We provide customers with a full range of quality services from product design, manufacturing to after-sales service, and have won wide trust and praise from customers. We provide customers with a full range of high-quality services from product design, manufacturing to after-sales service, and have won extensive trust and praise from customers.

Valves

Machinery Accessories

Junction

Agricultural Machinery Accessories

Prestressed Member

Shafts, Splines

Innovation Driver
Toward High-End Manufacturing
Valves
Automated Casting Line
Full Life Cycle Services
Multinational engineering projects

Equipped with intelligent casting unit and ultra-precision grinding equipment, the company covers gate valves, ball valves, butterfly valves, etc., which are used in the fields of mining, energy, and chemical industry, and the products cover 20+ international markets such as North America and Australia.

Machinery Accessories
Precision Transmission / Structural Components
Wear-resistant and corrosion-resistant process
Customized Solutions

Providing core components such as gears, shafts, housings, etc., relying on CNC machining and heat treatment technology, serving global industrial equipment manufacturers, delivering more than 5 million pieces, obtaining ISO 9001 certification, and serving 50+ international customers.

Junction
Precision CNC turning
High Pressure Seal Test
High precision surface treatment

Adopting precision turning center to process all kinds of alloy fittings, pressure resistance level up to 1000 Bar, support American standard, European standard and other international standards of customization, through the ISO 9001 certification, the products are exported to Europe, America, the Middle East and other more than 20 countries and regions.

Agricultural Machinery Accessories
Special wear-resistant process
Heavy parts casting
Global Agricultural Package

Utilizing automated precision casting technology to produce highly durable agricultural machinery components, in line with international agricultural machinery standards, through the ISO 9001 quality management system certification, mainly exported to South America, Eastern Europe and other agriculturally developed regions.

Prestressed Member
Specialized for bridges/construction
High Precision Cold Drawing Equipment
Whole process quality traceability

Manufacture of anchorages, tensioning equipment, etc., in accordance with ISO 9001 system, used in large-scale projects in many countries.

Shafts, Splines
Ultra-precision grinding technology
Complex Spline Machining
Automobile/construction machinery supporting

Adopting five-axis linkage precision grinding machine to process high-precision transmission shaft parts, concentricity control within 0.005mm, support all kinds of international standard spline customization, the products are exported to more than 30 countries.

Professional Machinery Manufacturing Line
Guaranteed to fulfill your needs
We always insist on strict requirements for quality and ensure that every product meets high quality standards through a perfect quality control system.

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Testing Equipment
Production Equipment
Corporate Gate
Keeping up with industry dynamics
Focus on the development of the industry, as in the East News Information

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If you inquire and become our client
Will receive a surprise discount

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