01
Efficient top-mounted delivery
Top-mounted tray system keeps instruments organized and close to the operator for faster daily treatment setup.
Mid-range Series
QL-2028IV Dental Chair
Upper-mounted delivery for daily treatment rooms
A mid-range dental chair with upper-mounted instrument delivery, integrated operating light, cuspidor area and matching doctor stool for clean everyday clinic workflows.
Chair positioningMid-range QL IV configuration
Operating lightIntegrated overhead dental light
UpholsteryMicrofiber upholstery; standard and optional color cards
Warranty2 years
Upper-mounted instrument deliveryIntegrated light and cuspidor layoutMicrofiber color-card options
Why clinics choose the QL-2028IV
02
Clear chairside control
16-button LCD control and 8-button multifunction assistant control support common chair and unit operations.
03
Smart positioning workflow
9 memory positions help clinicians recall routine treatment positions quickly and consistently.
04
Comfort and safety support
Microfiber cushioning, widened seat design, butterfly backrest, linkage compensation and chair-lock protection improve patient stability.
Features 
Upholstery 
Built around the daily rhythm of a busy clinic
01 · LED sensor light
Two-color lighting for treatment and curing work
The QL-2028IV LED sensor light supports white and yellow modes, helping clinics switch between routine treatment visibility and resin work.
- White light supports clear daily examination
- Yellow light helps reduce premature resin curing
- Sensor control keeps adjustment convenient at chairside
02 · Assistant control and delivery tray
Multi-function assistant side for daily operation
The assistant control area combines an 8-key auxiliary panel, 3-way syringe, strong and weak suction, and tray space for organized chairside work.
- 8-key assistant position auxiliary control
- Strong and weak suction access
- Tray layout keeps instruments within easy reach
03 · Adjustable headrest and patient comfort
Quick headrest adjustment for different patients
The adjustable headrest can be repositioned quickly with one hand, helping clinicians set patient posture more efficiently during treatment.
- One-hand headrest adjustment
- Supports different patient heights and positions
- Comfortable microfiber patient chair shown in source material
04 · Rotary side box and cuspidor
Assistant-side space designed for easy cleaning
The rotary side box and glass cuspidor help free assistant-side working space while keeping rinsing and cleaning simple between patients.
- Rotary side box improves assistant-side access
- Rotary glass cuspidor supports easy cleaning
- Detachable suction filter helps routine maintenance
Durable upholstery options for daily clinics
The collected source set includes formal upholstery/color-card assets for practical treatment rooms and mid-range chair configurations.
MV01 · Beige
Use the collected color-card files as the source for final color names and availability.
Technical specifications
QL-2028IV full specification sheet
| Model | QL-2028IV |
| Tier | Mid-range; Fengdan QL-series |
| Motor type | To confirm |
| Control panel | To confirm from collected catalog/manual |
| Chair position | To confirm |
| Operating light | Shown in product/catalog assets |
| Cuspidor | Shown in product/catalog assets |
| Upholstery | Color-card assets collected |
| Stool | To confirm |
| Water/gas pipes | QL2028III/IV water-air principle diagram collected |
| Solenoid valves | To confirm |
| Footswitch | To confirm |
| Load capacity | To confirm |
| Overall dimensions | To confirm |
| Packing size | To confirm |
| Gross weight | To confirm |
| Certifications | Manufacturer CE / ISO / sales-certificate files collected where available |
| Warranty | 2 years |
Product resources
QL-2028IV documents
Review the available product documents, or contact us to confirm the final configuration.
Case
QL-2028IV in finished treatment rooms
Supplied real-use references show how the QL-2028IV fits into practical treatment rooms and chairside workflows.
Case images are real customer installations.
FAQ
Questions about the QL-2028IV
QL-2028IV is grouped under Mid-range for the website product page material structure.
The hero folder contains formal product images selected from main-image or product-image source folders where available.
Use the collected color-card files as the basis, then confirm final color names and availability before publishing.
All dental chair warranty copy should be listed as 2 years.
Any field marked To confirm in the technical specification sheet should be verified against the supplier before publishing.
Factory Direct Inquiry
Tell us what your clinic needs.
Send your room count, dental chair requirements, renovation scope, destination market, and budget range. We will prepare a practical one-stop clinic supply plan.
- Factory-direct pricing, no middlemen
- OEM/ODM available for qualifying volumes
- Export documentation & door-to-door delivery
- Installation guidance & after-sales support