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About ZHITIAN

NANJING ZHITIAN specializes in replacement parts for co-rotating twin screw extruders, with over 20 years of experience in R&D and manufacturing.
Our main products include barrels, gearboxes, screw elements, shafts, safety couplings, integral alloy liners, and other precision components. We also provide refurbishment services for barrels and gearboxes.
In addition to precision manufacturing, ZHITIAN focuses on the R&D of high-performance alloy materials for wear- and corrosion-resistant applications, including nickel-based, cobalt-based, tungsten carbide reinforced, and powder metallurgy materials.
Our replacement parts are widely used for Coperion, Leistritz, KraussMaffei, JSW, Toshiba, Jwell, STEER, and other twin screw extruder brands.
From material development to machining, inspection, and assembly, ZHITIAN pays attention to every detail to provide reliable products and customized solutions.

ZHITIAN twin screw extruder parts manufacturing factory aerial view
ZHITIAN twin screw extruder parts manufacturing factory aerial view
ZHITIAN team at an international plastics exhibition for twin screw extruder parts
ZHITIAN temperature-controlled precision machining workshop for twin screw extruder parts
ZHITIAN twin screw extruder barrel machining workshop
ZHITIAN temperature-controlled precision boring workshop for twin screw extruder gearboxes
ZHITIAN twin screw extruder gearbox assembly workshop
ZHITIAN CMM inspection workshop for twin screw extruder barrels
ZHITIAN twin screw extruder screw element machining workshop
ZHITIAN gear inspection workshop for twin screw extruder gearboxes

Quality

NANJING ZHITIAN is specialized in the manufacturing of Replacement Parts for Twin Screw Extruder. So far has more than 20 years of research and development production experience.

Business

It can provide sample-drawing processing business for internationally renowned brands of twin-screw extruder accessories.

Service

Professional customer service team, providing 7/24 hours hours pre-sales consultation and after-sales service

Our Mission:

Making global invisible champion companies

Company Corporate Culture:

Leading the development of the company in the customer's needs;
Square employees, based on the future of enterprises

Core values ​​of the company:

Customer Values ​​------ carefully treat each customer
Product Value ----- Products I think there is a problem, I will never sell it to customers.
Talent Values ​​----- Let people stay at the company
Employee Values ​​---- Happy Complete Everyday Work
Managers Values ​​----- lead the team to create first-class achievements
Supplier values ​​----- join hands together
Service Support

We will provide the old-age services for cylindrical and gearboxes, and can provide sample-drawing processing services for internationally renowned brands. Please feel free to contact us if you need it.

ZT-N Series Twin-Screw Extruder Gearbox for Plastic Extrusion
ZT-N Series Gearbox for Twin-Screw Extruder
Specific torque <13Nm/cm³
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Customized Screw Barrel
Customized Screw Barrel
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Screw Barrel Of Feed Machine
Screw Barrel Of Feed Machine
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Standard Screw Barrel
Standard Screw Barrel
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High Torque Twin Screw Extruder Gearbox for Modular Compounding Lines
High Torque Twin Screw Extruder Gearbox for Modular Compounding Lines
This high torque twin screw extruder gearbox is designed for modular compounding and continuous processing lines. Based on long-term field operation feedback, the ZT-NX series focuses on transmission accuracy, load stability, and long service life. ZHITIAN provides a standardized yet highly adaptable gearbox solution compatible with most mainstream twin screw extruders, supporting stable operation under demanding processing conditions.
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ZT-Z Twin Screw Extruder Gearbox
ZT-Z Twin Screw Extruder Gearbox
Specific torque 15Nm/cm³
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Laser Cladding Nickel-Based Tungsten Carbide Screw Barrel for Twin Screw Extruder
Laser Cladding Nickel-Based Tungsten Carbide Screw Barrel for Twin Screw Extruder
proprietary materials ZT715, ZT725, and ZT735
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ZT818 Tungsten Cobalt Alloy for Twin Screw Extruder Barrel
ZT818 Tungsten Cobalt Alloy for Twin Screw Extruder Barrel
HRA＞83(HRC 68–69)
impact toughness ＞13 J/cm²
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Twin Screw Extruder Barrel for Battery Slurry Continuous Production Line
Twin Screw Extruder Barrel for Battery Slurry Continuous Production Line
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Optimized Twin Screw Extruder Screw Elements for Material-Specific Processing
Optimized Twin Screw Extruder Screw Elements for Material-Specific Processing
These optimized twin screw extruder screw elements are designed based on material characteristics and process requirements.ZHITIAN leverages long-term application experience and configuration design expertise to deliver stable, efficient, and repeatable extrusion performance.
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Modular Twin Screw Extruder Screw Elements for Compounding and Processing
Modular Twin Screw Extruder Screw Elements for Compounding and Processing
These modular twin screw extruder screw elements are developed for flexible screw configuration and process optimization. Based on long-term application experience, material research, and advanced machining processes, ZHITIAN provides screw element solutions capable of efficient conveying, plasticizing, mixing, shearing, dispersing, homogenizing, devolatilization, and extrusion. Software-assisted design ensures precise matching between material behavior and process requirements.
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Overall Sleeve
Overall Sleeve
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Our Certificate
Get multiple products and technical certificates, and achieve a number of invention patents and utility model patent certificates to achieve peace of mind to provide you with better products and more efficient services.
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Contact us
  Tianyuan Community, Chunhua Street, Jiangning District, Nanjing
  zt@njzhitian.com
  +86 18952048192

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