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Nanjing Zhitian Mechanical And Electrical Co., Ltd.
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Nanjing Zhitian Mechanical And Electrical Co., Ltd.
Specializing in the production of twin-screw extruder parts
Zhitian, a high-tech enterprise and Jiangsu Province-certified Specialized, Refined, Distinctive, and Innovative (SRDI) company, has specialized in twin-screw extruder parts for over two decades. With two production bases in Nanjing Zhitian and Anhui Zhitian New Materials covering over 13,000 square meters and employing over 100 staff, we adhere to the management philosophy: "Guided by customer needs to drive enterprise development; rooted in dedicated employees to forge the company's future."
As a renowned manufacturer in twin-screw extruder parts, we provide:
High-performance alloy material solutions for screw barrels (nickel-based alloys, cobalt-based alloys, etc.)
Professional design and manufacturing of key parts including screw barrels, gearboxes, screw elements, and shafts
Comprehensive services encompassing repair, sample mapping and processing, and custom manufacturing according to requirements
Our solutions serve multiple industries including plastics & rubber, battery materials, and food & feed processing.
With global operations spanning Americas, Europe, Middle East, Africa, East Asia and Southeast Asia, Zhitian maintains strategic partnerships with world-leading extruder manufacturers including Coperion, KraussMaffei, Leistritz, Bühler, CPM, and Jwell. Supported by robust technical capabilities, advanced processing equipment, sophisticated production techniques, and stringent quality control systems, we deliver premium products that have earned widespread acclaim from global customers.
Basic Information
Company Name:
Nanjing Zhitian Mechanical And Electrical Co., Ltd.
Since 2016, We started to customize the 40/50/60 screw barrels for LEISTRITZ company, and so far they have purchased thousands of products.Their headquarter is in Germany, and the new factory is in Taicang, China. The business is increasing, and we hope to have more orders in the future,the future is yours!
Production Line:
NANJING ZHITIAN have two factory.ZHITIAN JIDIAN and ZHITIAN XINYE.
We have a professional team equipped with high grade precision machinery such as digital boring mill, numerically controlled fraise machine, numerically controlled flat-stone mill as well as a processing center.
1. Quick and highly precise.
2. Digital machines with multi-function to enhance device availability.
3. Process at front platform while programming at back platform.
4. Securing higher work hardness and smaller surface roughness by introducing technology of self-adapted control; Meanwhile, the life of cutters and producing efficiency are highly improved.
5. Breakdown self-testing and self-repairing function is used.
6. Modularization, standardization and uniform for hardware structure are adapted.
We have perfect testing system with full precision testing equipments,and a professional team of quality engineering with sole-duty persons well trained inspection.
1.Precision Test
Marl height indicator,the precision can be up to 0.1μm,which is 200 times of precision by usual manual test.
2.Hardness Test
Testing system is applicable for hardness test of products manufactured from various materials,which the error of indication is less than positive and negative 6HLD,which repeatability error is less than 6HLD.
3.Pressure Resistance Test
Guarantee tightness of barrel’s water cycle system.
4.Flaw Detection
Comprehensive product testing,ensure products zero defect,zero damage.
5.Gearbox Debug Platform
Test products run under simulated case.
R&D:
We have a professional technical team,independent R&D of gearbox and barrel.
Our Team:
Focus on twin screw extruder parts
I. Team Scale & Organizational Structure
Total Workforce: 130+ employees (as of 2024)
Core Departments:
R&D Center
Production Center
Sales & Marketing Department
Quality Control Department
Reporting Structure: R&D and Production teams report directly to the General Manager, ensuring efficient implementation of technical decisions.
Global Compliance: ISO-certified processes meet international quality standards.
All ZT keep pay attention to every step of the details, we are looking forward to the forge ahead together with you!
History:
Twin-screw extruder parts performance optimization
1. Founding & Early Stage (2006)
Nanjing Zhitian Mechanical and Electrical Co., Ltd. was established in 2006, headquartered in Jiangning District, Nanjing City, Jiangsu Province. The company initially focused on the R&D and production of twin screw extruder components, laying the foundation for its technical expertise in alloy materials and precision machining.
2008: Became the first manufacturer in China to adopt horizontal machining centers for specialized production of twin screw barrels (cylinder components), enhancing production efficiency and precision.
2011: Successfully developed and produced self-designed twin screw extruder gearboxes, marking a breakthrough in core component localization.
2013: Achieved a milestone by launching high-torque gearboxes with a specific torque of 13 Nm/cm³, catering to demanding industrial applications.
2018: Expanded the Nanjing production base to increase output capacity, preparing for large-scale international orders.
2020: Pioneered hot-pressed sintered nickel-based alloy liner for barrels, significantly improving wear resistance in high-temperature environments.
2021: Introduced ultra-high-torque gearboxes with a specific torque of 18 Nm/cm³ (e.g., ZT75E series), setting new benchmarks for energy efficiency in battery and plastic industries.
2022: Established Zhitian New Materials Base in Anhui Province, forming dual production hubs (Nanjing and Anhui) with a total area exceeding 13,000 m² and a workforce of over 100 employees.
2023: Recognized as a "Jiangsu Provincial Specialized, Sophisticated, and Innovative SME", highlighting its innovation capabilities in high-end manufacturing.
2024: Launched nickel-based laser-clad barrels (e.g., ZT715/ZT735 alloys), attracting global clients with their corrosion resistance and extended lifespan.
2025: Developed cold isostatic pressed cobalt-based alloy sleeves (e.g., ZT818), combining 18% cobalt and 82% tungsten carbide for unparalleled hardness (HRC 68–69) and impact toughness, widely adopted in lithium battery extrusion systems.
Key Competitive Advantages
Technical Leadership: 45+ patents in alloy materials and gearbox design.
Global Reach: Products exported to Europe, Southeast Asia, and South America, supported by localized repair centers.
Sustainability: Component regeneration services (e.g., laser cladding) and ESG-aligned practices.
For detailed product specifications or collaboration inquiries, visit www.njzhitian.com or contact zt@njzhitian.com
Customer Validation "Over 80% of our clients from plastics, battery, and feed industries have placed repeat orders for 5+ years, a testament to the reliability and performance of our twin screw components."
Key Highlights
Precision-Centric: 0.02mm tolerance control enabled by 3D detectors and CNC automation.
Material Innovation: Laser-clad cobalt/nickel alloys extend barrel lifespan by 3–5x vs. conventional materials.
Global Trust: 200+ enterprises worldwide rely on our gearboxes, screw barrels, screw elements, and refurbishment services.
Service:
Stage
Service Category
Details
Pre-sales
Technical Consultation
- Free technical guidance on alloy materials (nickel/cobalt-based) and component configurations. - Custom solutions based on client material properties and equipment specs.
Design & Validation
- 3D design drawings & performance simulations. - Material selection reports for wear/corrosion resistance.
Cost Optimization
- Budget-friendly material alternatives. - Repair-vs-replacement feasibility analysis.
During-sales
Order Tracking
- Real-time production updates (casting, machining). - Quality control for client-supplied parts.
Logistics Support
- International shipping & customs documentation (COO, material certificates). - Priority handling for urgent orders (48-hour delivery).
Installation Support
- Remote/on-site guidance for component integration. - Maintenance training programs.
Payment Flexibility
- Flexible payment terms (L/C, T/T).
After-sales
Technical Support
- 24/7 global hotline for troubleshooting.
Performance Upgrades
- Data-driven design optimization (e.g., gearbox efficiency). - Material upgrades (Upgrade solution for wear-resistant and corrosion-resistant alloys.).
Quality Assurance
- provide material certification and quality inspection report, etc.
Advantage
Description
Technical Expertise
- Proprietary alloy R&D. - Compatibility with global leaders (Coperion, KraussMaffei).
In-House Manufacturing
- Two self-operated production bases (Nanjing & Anhui) with end-to-end quality control and cost efficiency. - Scalable production capacity to meet global demands.
Technological Innovation
- Continuous R&D in high-performance alloys and component design - Collaborations with universities and research institutes to advance industry standards..
Factory Information
Market name:
Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Middle East,Africa,Worldwide
