Features: Dental Operating Chair: - Ergonomic double-joint headrest with stepless adjustment (length and angle), suitable for adults, children, and wheelchair patients. - Slim backrest design provides increased legroom, allowing the dentist to work closer to the patient in a comfortable posture. - Quick-release backrest design for convenient transportation and maintenance. - Seamless PU cushion for easy cleaning and disinfection. - Emergency stop function — any button on the foot switch or control panel immediately stops chair movement. Dental Treatment Table: - Fully computerized digital control system. - Touch-type control panel with two programmable memory positions. - Reset and emergency position functions. - Adjustable cooling, hot mouthwash, and cupping functions (time and quantity adjustable). - Built-in LED film viewer with uniform illumination. - Active anti-suction backflow prevention system to reduce cross-infection risk. - Chair–instrument interlock safety system (chair does not move during operation). - Self-locking balance arm with adjustable tray height. - Bottom-mounted handpiece system with rotating holder for convenient operation. Assistant Position: - Standard three-way syringe, weak suction, and strong suction. - Reserved installation position for built-in LED curing light. - Touch-type control panel for mouthwash, flushing, and chair movement. - Programmable seat movement control. - 180° rotatable assistant unit. - Dual-joint assistant arm for flexible four-handed operation. Unit Box & Water System: - Integrated 180° rotatable ceramic spittoon. - Rotational flushing system for internal wall cleaning. - Removable and washable filter screen. - Plug-in outlet head design for easy maintenance. - Built-in constant temperature mouthwash system (automatic/manual, quantitative/timed). - Built-in distilled water system for aseptic treatment. - Optional central negative pressure suction system. - Plug-in suction system with built-in filter for easy cleaning. LED Dental Lamp: - Reflective LED cold light surgical lamp. - Manual or sensor-controlled illuminance adjustment. - Electrodeless dimming system. - American-type lamp arm design for smooth movement and high safety factor. - Three-axis rotation design for precise light positioning. Technical Specifications: General: - Noise level: ＜70 dB(A). Floor Box: - Power supply: AC220V / 50Hz, single-phase three-pin socket. - Rated power: 680VA. - Fuse specification: φ5×20 F5AL250V. - Water filtration aperture: ≤ 90µm. - Air filtration aperture: ≤ 25µm. Water Heater: - Power supply: AC24V (internal). - Rated power: 80W. - Constant temperature: 40℃ ±5℃. Saliva Pump: - Weak suction: ≥ 400ml/min (at 200kPa) - Strong suction: ≥ 1000ml/min (at 400kPa) Instrument Tray: - Rotation angle: ≥ 90°. - Vertical movement range: ≥ 400mm. - Bearing capacity: ≤ 3kg. Film Viewer (Built-in): - Power supply: AC24V (internal). - Rated power: 6VA. - Color temperature: ≥ 6500K. - Brightness: ≥ 2000 cd/m². - Brightness uniformity: > 0.7. - Brightness stability: ≤ 2%. - Scattering coefficient (σ’): > 0.9. - Viewing screen size: 132 × 48mm (LB-5.5). - Suitable illumination: ≤ 100 Lux. Dental Lamp: - Power supply: AC12V (internal). - Rated power: 5W. - Illuminance range: 8,000 – 20,000 Lux. - Radiant heat: ≤ 350W/m². - Color rendering index (Ra): > 85. Foot Switch: - Kickoff pressure: 10N – 50N. - Protection level: IPX4. - Service life: > 30,000 operations. Dental Patient Chair: - Power supply: DC24V (internal). - Working mode: 2 min working / 18 min rest (intermittent). - Loading duration: ≤ 60%. - Total load capacity: 135kg. - Headrest load capacity: 30kg. - Headrest extension: 100mm. - Backrest tilt: 115° – 175°. - Maximum cushion height: 760mm. - Minimum cushion height: 410mm. Installation Requirements: Water Supply: - Pressure: 0.2 – 0.6 MPa. - Flow rate: > 5L/min. - Hardness: < 2.14 mmol/L (<12°dH). - pH: 6.5 – 8.5. - Particle size: < 100µm. Air Supply: - Pressure: 0.7 ± 0.1 MPa. - Flow rate: > 80 NL/min. - Dew point: ≤ -20℃. - Oil content: ≤ 0.5 mg/m³. - Particle pollution (1–5µm): ≤ 100/m³. Operating Conditions: - Installation space: ≥3000mm × 2000mm × 2500mm. - Ambient temperature: 5℃ – 40℃. - Relative humidity: ≤ 80%. - Atmospheric pressure: 200kPa – 400kPa. - Air source pressure: 0.6 – 0.8 MPa. - Water source pressure: 0.2 – 0.6 MPa. Configuration: Doctor’s Position: - Two four-hole high-speed handpiece tubes. - One four-hole low-speed handpiece tube. - One three-way syringe. - Built-in viewing light. - Multi-function touch control board. - Instrument tray with rotating holder. - Balance arm with air lock. Assistant Position: - Three-way syringe. - Weak suction. - Strong suction. - Touch assistant control table. Dental Patient Chair: - Electric dental chair (DC low-noise motor). - Double-joint headrest. - Double armrests (right armrest rotatable). - Seamless PU sanitary cushion. Other Configuration: - Distilled water system. - Mouthwash heating system. - 180° rotatable ceramic spittoon. - LED dental light with sensor dimming. - Multifunctional foot switch. - Imported water and air pipes. Dentist Stool: - Seamless PU cushion. - SGS-certified gas spring. - Cast alloy base with silent medical wheels. Upgrade Options: - Built-in or preset dental scaler. - Optical fiber handpiece system. - Built-in LED curing light. - Central negative pressure suction system. - Built-in floor box. - Oral endoscope with 21.5-inch display. - Light pole with endoscope mounting holes. - 3-in-1 tissue box. - Oil-free air compressor. - Separated dental tray with handpiece holder.