Process 01
Spraying
Eco-friendly coating and precision color matching for glass and ceramic candle vessels.
Enterprise Strength & Engineering Expertise
Inside Shanghai Qusden Household Products Co., Ltd.
As a verified BSCI and ISO 9001-certified manufacturer, Shanghai Qusden Household Products Co., Ltd. operates over 5,000 m² of modern production space in Shanghai. We specialize in turn-key OEM/ODM solutions for private label scented candles, reed diffusers, and luxury gift sets, backed by rigorous quality control and full export compliance.
End-to-End Craftsmanship
Precision Manufacturing Processes
From custom vessel surface treatment to automated liquid filling and rigid box assembly, every stage is optimized for aesthetic appeal and thermal stability.
Process 02
Screen Printing
High-resolution silk screen logo printing, ensuring crisp lines and durability against heat.
Process 03
Gold Stamping
Hot foil gilding in gold, silver, and metallic hues for luxury retail packaging and branding.
Process 04
Mixing
Thermostatically controlled blending of soy wax, natural botanicals, and high-grade essential oils.
Process 05
Filling
Dust-free automated filling for volatile fragrance oils and melted soy wax formulations.
Process 06
Weighting
Calibrated electronic weighing to guarantee uniform net content across every production batch.
Process 07
Labeling
Automated front, back, and CLP/warning safety label application with sub-millimeter precision.
Process 08
Paper Cutting
Industrial card stock and board cutting for custom rigid gift boxes and protective sleeves.
Process 09
Creasing
Precision board creasing to prevent corner cracking and ensure flawless box geometry.
Process 10
Box Folding & Forming
Automated rigid box folding and adhesive setting for luxury presentation packaging.
Process 11
Assembly & Packaging
Manual and semi-automated final gift set insertion, shrink wrapping, and master container packing.
Advanced Machinery
High-Efficiency Automated Machinery
Shanghai Qusden Household Products Co., Ltd. continuously invests in specialized machinery to maintain high daily output while reducing lead times for OEM/ODM buyers.
Automated Spraying Line
Continuous conveyor-based vessel color spraying with heat-curing tunnels.
Screen Printing Machine
Multi-color rotary screen printer tailored for cylindrical glass bottles and jar contours.
Gold Stamping Machine
Heavy-duty thermal stamping press for foil transfers on paperboard and decorated glass.
Industrial Fragrance Mixer
High-shear stainless steel mixing vessel with temperature control for homogenous oil blending.
Automatic Filling Line
Multi-nozzle volumetric liquid & hot-wax filling machine with automatic anti-drip nozzles.
Volatile Liquid Filling Machine
Explosion-proof liquid filler designed specifically for alcohol and volatile diffuser solvent bases.
Automatic Labeling Line
High-speed wrap-around label applicator featuring optical sensor alignment.
Paper Cutting Machine
Program-controlled hydraulic paper cutter for exact cardboard sheet sizing.
Creasing Machine
High-speed rotary creaser for crisp folding scorelines on rigid gift box wrappers.
Box Folding & Forming Line
Fully automated gift box forming system for fast setup and uniform box structural strength.
Assembly & Packaging Line
Flexible assembly conveyor equipped with online weight verification and carton sealing.
Quality Assurance & Reliability
Comprehensive Laboratory Testing
To ensure every batch survives international transit and meets North American and European safety standards (REACH, CLP, Prop 65), Shanghai Qusden Household Products Co., Ltd. conducts strict in-house testing.
Online Inspection
Continuous IPQC (In-Process Quality Control) monitoring wick placement, seal integrity, surface flaws, and fill volume at every workstation.
Transportation Vibration Test
Simulates ocean container freight and rough courier transit to verify master carton packaging integrity and prevent bottle leakage.
Temp & Humidity Incubator
Accelerated aging test chamber evaluating fragrance throw stability, wax blooming resistance, and glass jar stress across extreme climate ranges.
Vacuum Leak Testing Oven
Negative pressure testing verifying hermetic seals on reed diffuser caps and room spray pump mechanisms under atmospheric pressure changes.
Stability & Volatilization Oven
Assesses liquid evaporation rates and formulation consistency under controlled thermal vacuum conditions.
Partner with a Trusted Home Fragrance Factory
Shanghai Qusden Household Products Co., Ltd. provides full support from scent development to bulk manufacturing and global logistics. Contact our engineering team today to start your OEM/ODM program.