2026 WINDOW COLLECTION

Door Teacher thermal-break aluminium window range

Name: 门老师门窗
Address: 西三旗街道建材城东路10号院，京城尚德智造产业园E区113栋, 海淀区, 北京市, CN
Telephone: 400-687-8866

Nine products and their brochure parameters, matching corner-sample imagery and base reference prices from the Door Teacher Window Brochure (2026).

Published / updated: 8 August 2026
Published by: Door Teacher

Door Teacher thermal-break aluminium window range — Door Teacher product and application reference

2026 WINDOW SERIES

Nine products matched to the brochure specification.

Each model uses its matching thermal-break aluminium corner sample from the brochure. Select a model for quick navigation and expand each card for the complete specification.

DOOR TEACHER WINDOW

Huimin 70

Huimin 70 thermal-break window

Brochure reference price450CNY / m²

Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Non-flush frame and sash
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Domestic inward-opening hardware
Glazing: Double insulated 3C tempered glazing

Full specification (18 items)

Model: Huimin 70 thermal-break window
Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Non-flush frame and sash
Frame reinforcement: 2 reinforcement ribs
Chambers: 3 chambers
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Domestic inward-opening hardware
Handle: Domestic brand
Locking points: 2 locking points
Insect screen: Retractable insect screen
Glazing: Double insulated 3C tempered glazing
Corner assembly: Crimped corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Standard square corner
Gasket: 45° gasket corner / Xinhexing brand
Installation materials: Standard sealant / standard foam / small yellow screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Preferred Huimin 70

Preferred Huimin 70 thermal-break window

Brochure reference price480CNY / m²

Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Non-flush frame and sash
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Door Teacher tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing

Full specification (18 items)

Model: Preferred Huimin 70 thermal-break window
Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Non-flush frame and sash
Frame reinforcement: 2 reinforcement ribs
Chambers: 3 chambers
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Door Teacher tilt-and-turn hardware
Handle: Door Teacher
Locking points: 2 locking points
Insect screen: Removable security mesh, not hinged
Glazing: Double insulated 3C tempered glazing
Corner assembly: Crimped corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Standard square corner
Gasket: Standard sealing gasket
Installation materials: Standard sealant / standard foam / small yellow screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Huimin 80

Huimin 80 thermal-break window

Brochure reference price500CNY / m²

Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Flush inside / non-flush outside
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Door Teacher tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing

Full specification (18 items)

Model: Huimin 80 thermal-break window
Profile brand: Door Teacher profile
Profile wall thickness: 1.3–1.4 mm
Frame / sash alignment: Flush inside / non-flush outside
Frame reinforcement: 2 reinforcement ribs
Chambers: 3 chambers
Thermal-break strip: Single-chamber PA66 / Jizhu brand
Hardware: Door Teacher tilt-and-turn hardware
Handle: Door Teacher handle
Locking points: 2 locking points
Insect screen: Removable security mesh, not hinged
Glazing: Double insulated 3C tempered glazing
Corner assembly: Crimped corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Standard square corner
Gasket: 45° gasket corner / Xinhexing brand
Installation materials: Standard sealant / standard foam / small yellow screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Preferred 80

Preferred 80 system window

Brochure reference price650CNY / m²

Profile brand: Xingfa profile
Profile wall thickness: 1.6–1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Thermal-break strip: Not specified in the brochure
Hardware: Door Teacher tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing

Full specification (18 items)

Model: Preferred 80 system window
Profile brand: Xingfa profile
Profile wall thickness: 1.6–1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Frame reinforcement: 4 reinforcement ribs
Chambers: 4 chambers
Thermal-break strip: Not specified in the brochure
Hardware: Door Teacher tilt-and-turn hardware
Handle: Door Teacher handle
Locking points: 2 locking points
Insect screen: Removable security mesh, not hinged
Glazing: Double insulated 3C tempered glazing
Corner assembly: Pinned and glue-injected corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Rounded R corner with inner protector
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Standard sealant / standard foam / small yellow screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Upgraded Preferred 80

Upgraded Preferred 80 system window

Brochure reference price750CNY / m²

Profile brand: Xingfa profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German SI tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing / Zhongbo brand

Full specification (18 items)

Model: Upgraded Preferred 80 system window
Profile brand: Xingfa profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Frame reinforcement: 4 reinforcement ribs
Chambers: 4 chambers
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German SI tilt-and-turn hardware
Handle: German HOPPE
Locking points: 6 locking points
Insect screen: Removable security mesh, not hinged
Glazing: Double insulated 3C tempered glazing / Zhongbo brand
Corner assembly: Pinned and glue-injected corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Rounded R corner with inner protector
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Baiyun sealant / Baiyun foam / self-cutting screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Premium 90

Premium 90 system window

Brochure reference price750CNY / m²

Profile brand: Xingfa profile
Profile wall thickness: 1.6–1.8 mm
Frame / sash alignment: Flush inside and outside
Thermal-break strip: Single-chamber PA66
Hardware: Door Teacher tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing

Full specification (18 items)

Model: Premium 90 system window
Profile brand: Xingfa profile
Profile wall thickness: 1.6–1.8 mm
Frame / sash alignment: Flush inside and outside
Frame reinforcement: 2 reinforcement ribs
Chambers: 4 chambers
Thermal-break strip: Single-chamber PA66
Hardware: Door Teacher tilt-and-turn hardware
Handle: Door Teacher
Locking points: 2 locking points
Insect screen: Removable hinged security mesh
Glazing: Double insulated 3C tempered glazing
Corner assembly: Pinned and glue-injected corner assembly
Sash detail: Rounded R corner with inner protector
Drainage: Insect-resistant concealed drainage
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Standard sealant / standard foam / small yellow screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Upgraded Premium 90

Upgraded Premium 90 system window

Brochure reference price800CNY / m²

Profile brand: Xingfa profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside and outside
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German SI tilt-and-turn hardware
Glazing: Double insulated 3C tempered glazing / Zhongbo brand

Full specification (18 items)

Model: Upgraded Premium 90 system window
Profile brand: Xingfa profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside and outside
Frame reinforcement: 4 reinforcement ribs
Chambers: 4 chambers
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German SI tilt-and-turn hardware
Handle: German HOPPE
Locking points: Custom 6-point locking
Insect screen: Removable hinged 304 stainless-steel mesh
Glazing: Double insulated 3C tempered glazing / Zhongbo brand
Corner assembly: Pinned and glue-injected corner assembly
Drainage: Insect-resistant concealed drainage
Sash detail: Rounded R corner with inner protector
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Baiyun sealant / Tailang foam / self-cutting screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Imperial 100

Imperial 100 system window

Brochure reference price1000CNY / m²

Profile brand: Door Teacher profile
Profile wall thickness: 2 mm
Frame / sash alignment: Flush inside / non-flush outside
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German ROTO tilt-and-turn hardware
Glazing: Triple thermal-insulation glazing

Full specification (18 items)

Model: Imperial 100 system window
Profile brand: Door Teacher profile
Profile wall thickness: 2 mm
Frame / sash alignment: Flush inside / non-flush outside
Frame reinforcement: 4 reinforcement ribs
Chambers: 5 chambers
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: German ROTO tilt-and-turn hardware
Handle: German HOPPE
Locking points: 6 locking points
Insect screen: Removable hinged security mesh
Glazing: Triple thermal-insulation glazing
Corner assembly: Pinned and glue-injected corner assembly
Sash detail: Rounded R corner
Drainage: Insect-resistant concealed drainage
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Wacker sealant / Soudal foam / self-cutting screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

DOOR TEACHER WINDOW

Drift Window

Drift window

Brochure reference price1250CNY / m²

Profile brand: Door Teacher profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: System-specific custom hardware
Glazing: Double insulated 3C tempered glazing / Zhongbo brand

Full specification (18 items)

Model: Drift window
Profile brand: Door Teacher profile
Profile wall thickness: 1.8 mm
Frame / sash alignment: Flush inside / non-flush outside
Frame reinforcement: 4 reinforcement ribs
Chambers: 4 chambers
Thermal-break strip: Dual-chamber PA66 / Jizhu brand
Hardware: System-specific custom hardware
Handle: German HOPPE
Locking points: 8 locking points
Insect screen: Removable hinged security mesh
Glazing: Double insulated 3C tempered glazing / Zhongbo brand
Corner assembly: Pinned and glue-injected corner assembly
Sash detail: Rounded R corner
Drainage: Insect-resistant concealed drainage
Gasket: Continuous folded composite gasket / Xinhexing brand
Installation materials: Baiyun sealant / Baiyun foam / self-cutting screws
Included opening-sash allowance: 3 opening sashes included per 10 m²; each additional sash charged as 1 m²

Specifications, corner samples and base reference prices are taken from Door Teacher Window Brochure (2026), pages 2–10. The thermal-break strip for Preferred 80 is not stated on brochure page 5 and is therefore shown as “Not specified in the brochure”. Final configuration and pricing are subject to the site survey, formal quotation and contract.

How to compare the range

Compare profile wall thickness, frame and sash alignment, reinforcement, chambers, PA66 thermal-break strip, hardware, locking points, screen, glazing, corner assembly, drainage, gasket and installation materials together.

Pricing scope

Displayed prices are base reference prices from the brochure. Final pricing depends on surveyed dimensions, opening sashes, glazing, hardware, colour, removal, access, waterproofing and finishing requirements.

Information scope

This page provides general guidance and public brand information. It does not replace a site survey, architectural design, test report, formal quotation, contract or acceptance record. Model-specific performance, pricing and warranty terms must be confirmed in verifiable project documents issued by Door Teacher.

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Door Teacher thermal-break aluminium window range

Nine products matched to the brochure specification.

Huimin 70

Preferred Huimin 70

Huimin 80

Preferred 80

Upgraded Preferred 80

Premium 90

Upgraded Premium 90

Imperial 100

Drift Window

How to compare the range

Pricing scope

Information scope

Continue exploring

Tell us the location, dimensions and main requirements.