1. Vessel Spraying
Automated color coating line ensuring uniform finish, scratch resistance, and custom Pantone color matching for luxury glass and ceramic containers.
Production Excellence
11 Core Crafts & Manufacturing Workflow
From initial vessel decoration and scent mixing to precision filling and final box assembly, Shanghai Qusden Household Products Co., Ltd. executes each stage under ISO 9001 quality management.
2. Screen Printing
High-precision silk screen printing for logos, geometric patterns, and fine text directly onto glass, frosted, or ceramic perfume vessels.
3. Gold Stamping
Hot foil stamping in metallic gold, silver, or rose gold tones, adding premium branding details to luxury candle jars and gift packaging boxes.
4. Fragrance & Wax Mixing
Temperature-controlled industrial mixing tanks for natural soy wax, coconut wax, and premium essential oils to achieve consistent cold/hot throw.
5. Liquid & Wax Filling
High-efficiency filling lines for molten candle wax and volatile diffuser oils with zero-spill dosing mechanisms.
6. Precision Weighting
Digital inline checkweighing ensures each unit adheres to strict net weight tolerances prior to cooling and capping.
7. Labeling Application
Automatic labelers ensure bubble-free, straight application of private label stickers, CLP warnings, and barcodes on vessels and boxes.
8. Paper Cutting
Heavy-duty paper cutting machinery producing exact dimensions for custom gift boxes, protective sleeves, and printed liners in-house.
9. Box Creasing
Specialized cardboard creasing machinery creating clean, durable fold lines for rigid gift boxes and folding cartons.
10. Box Folding & Forming
Automated box forming machines assembling structural gift packaging, inserts, and outer covers with reinforced corners.
11. Assembly & Packaging
Cleanroom assembly line for putting together multielement aroma gift sets, inserting reeds, caps, and final shrink wrapping.
Advanced Infrastructure
High-Capacity Automated Production Lines
Shanghai Qusden Household Products Co., Ltd. operates state-of-the-art equipment lines to guarantee high volume output, short lead times, and reliable quality for global B2B buyers.
Automated Spraying Line
Dust-free automated spraying tunnel for consistent color finish on thousands of glass jars daily.
Screen Printing Machine
Rotary cylindrical screen printers engineered for fast logo printing on curved glass and ceramic surfaces.
Gold Stamping Machine
High-pressure hot foil press for crisp, metallic logo branding on jars, lids, and rigid presentation boxes.
Industrial Fragrance Mixer
Stainless steel heated mixing tanks designed to homogenize fragrance oil blends into soy wax without air bubbles.
Multi-Nozzle Filling Line
Automatic multi-nozzle conveyor line providing high-speed liquid and wax dosing with precise temperature monitoring.
Volatile Liquid Filling Machine
Specialized explosion-proof filling system tailored for alcohol-based room sprays and volatile reed diffuser solvents.
Automated Labeling Line
Conveyor-integrated wrap-around label applicator for accurate positioning on round and square containers.
Paper Cutting Machine
Programmable guillotine cutter for batch trimming raw boxboard, paper sleeves, and instruction inserts.
Heavy-Duty Creasing Machine
Die-cutting and creasing machine ensuring rigid structural integrity for custom presentation boxes.
Boxing Folding & Forming Line
Full-automatic rigid box packaging line for high-volume gift set orders with consistent corner alignment.
Assembly & Packaging Line
Modular packing conveyor lines optimized for final assembly, box insertion, barcode labeling, and master carton sealing.
Quality Assurance & Testing
Strict Laboratory Control & Transit Testing
To ensure home fragrance items arrive intact and maintain stability under extreme climate conditions, Shanghai Qusden Household Products Co., Ltd. conducts comprehensive laboratory inspections for every production lot.
In-Line QC
Online Inspection
Real-time visual and mechanical inspection verifying wick positioning, fill line height, label alignment, and seal integrity during active production runs.
Sealing Test
Vacuum Drying Oven
Vacuum stress testing to verify container airtightness, preventing leakage of diffuser oils and liquid room sprays during airfreight or ocean transport.
Transit Test
Transportation Vibration Tester
Simulates long-distance maritime, rail, and courier transit vibrations to ensure master packaging, glass vessels, and inner trays withstand shock without breakage.
Stability Test
Constant Temp & Humidity Incubator
Accelerated aging test exposing products to extreme heat and humidity cycles, confirming wax stability, fragrance throw retention, and shelf-life durability.
Leak Prevention
Secondary Vacuum Oven
Dedicated secondary vacuum chamber verifying bottle cap seal thresholds under reduced atmospheric pressure conditions common in cargo holds.
Partner with Shanghai Qusden Household Products Co., Ltd.
Looking for a reliable OEM/ODM factory for your custom scented candles or reed diffusers? Contact our engineering and export team today to discuss your project specifications and receive technical support.
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