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AL Circle Private Limited | CIN: U72200WB2017PTC221175

Registered Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

Corporate Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

© 2026 AL Circle. All rights reserved. AL Circle is not responsible for content from external sources.

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AL Circle: Aluminium Ecosystem App
app storegoogleplay

AL Circle Private Limited | CIN: U72200WB2017PTC221175

Registered Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

Corporate Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

© 2026 AL Circle. All rights reserved. AL Circle is not responsible for content from external sources.

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Jinan Windows Machinery & Equipment Co., Ltd.

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Jinan Windows Machinery Equipment Co., Ltd. - Manufacturer of Aluminium Doors & Windows Automation Machinery

Jinan Windows Machinery Equipment Co., Ltd. is a pioneer and long-standing leader in China’s industry for automation machinery used in doors and windows hardware. The company operates as a high-tech enterprise integrating research and development, customised engineering, and in-house manufacturing. With a strong focus on automation and precision, they have built a reputation for delivering reliable, production-ready solutions for aluminium processing applications.

Operating under their registered trademark CARNIVAL Machines, the company designs and manufactures a wide range of automated equipment tailored to modern aluminium fabrication needs. Their core product portfolio includes aluminium hinge automation machines, curtain wall hanging automatic processing systems, photovoltaic frame cutting equipment, angle code assembly machines, press block automatic processing units, aluminium roof gutter automation systems and fully customised industrial aluminium processing machinery developed to client specifications.


Their machines are exported extensively across Southeast Asia, Oceania, Europe, Central and South America, North America, and Africa, reflecting strong global acceptance and repeat customer trust. They position themselves as a dependable automation partner for aluminium processors, façade manufacturers and industrial fabricators seeking efficiency, accuracy and scalable production solutions.

Business Lead

SELL
CNC Split-saw Industrial Aluminium Profile Automatic Sawing Machine

CNC Split-saw Industrial Aluminium Profile Automatic Sawing Machine

SELL
Double-sided Slotting Machine

Double-sided Slotting Machine

SELL
Two-wing Hinge Automatic Machine

Two-wing Hinge Automatic Machine

SELL
Automatic Processing Machine for Middle Column Angle Code

Automatic Processing Machine for Middle Column Angle Code

Products and Services

Extrusion Auxiliary Equipment
Two-wing Hinge Automatic Machine

Two-wing Hinge Automatic Machine

Extrusion Auxiliary Equipment
Double-sided Slotting Machine

Double-sided Slotting Machine

Profile Cutting Equipment
CNC Split-saw Industrial Aluminium Profile Automatic Sawing Machine

CNC Split-saw Industrial Aluminium Profile Automatic Sawing Machine

Extrusion Auxiliary Equipment
Automatic Processing Machine for Middle Column Angle Code

Automatic Processing Machine for Middle Column Angle Code

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