Company Profile & Factory Capabilities
Shanghai Qusden Household Products Co., Ltd.
Shanghai Qusden Household Products Co., Ltd. is a premier Chinese manufacturer dedicated to custom OEM/ODM solutions for scented soy candles, reed diffusers, room sprays, and luxury aroma gift packaging. Operating out of a modern 5,718 m² manufacturing site in Shanghai, we provide global retailers, department stores, luxury hotel chains, and private label brands with complete product realization—from raw material formulation to custom vessel decoration and rigid box production.
With over 14 years of international export expertise, our operations are fully certified under ISO 9001 quality management standards and BSCI social compliance guidelines. On-site audited by SGS Group, Shanghai Qusden Household Products Co., Ltd. ensures every product batch meets strict EU REACH, CLP hazard labeling, and US Prop 65 environmental standards.
Integrated Production Lines & Vessel Craftsmanship
By housing vessel spray-coating, silk-screen printing, gold foil hot-stamping, wax blending, liquid filling, and gift box box-forming under one roof, we guarantee exceptional finish quality, batch-to-batch color stability, and controlled production lead times.
Vessel Spray Coating
Automated lacquer & frosted paint coating for glass and ceramic candle containers.
Silk Screen Printing
Precision multi-color silk screen printing for custom brand logos and patterns.
Gold & Metallic Stamping
High-pressure hot foil stamping to deliver metallic accents on glassware and gift boxes.
Fragrance & Wax Blending
Thermostatically controlled agitation ensuring oil-wax homogeneity and scent throw.
Liquid & Wax Filling
Multi-nozzle automated lines for precise volumetric dosing of wax and diffuser oils.
Precision Weighting
Inline digital scales verifying weight consistency across 100% of manufactured units.
Precision Labeling
Automated wraparound label application for smooth, bubble-free brand presentation.
Paper Cutting & Preparation
Heavy-duty cardstock cutting tailored for bespoke gift box construction.
Paperboard Creasing
Accurate crease lines to ensure rigid box structural integrity and sharp edges.
Box Folding & Forming
Automatic luxury rigid box folding, glued corner wrapping, and tray forming.
Assembly & Export Packaging
Final combination of diffusers, reeds, candles, and printed literature for export.
Volatile Liquid Filler
Specialized anti-evaporation filling systems for alcohol and oil-based diffuser solutions.
Rigorous Inspection Standards & Test Equipment
Shanghai Qusden Household Products Co., Ltd. operates a dedicated quality assurance laboratory equipped with advanced testing instruments to verify product performance during transit and storage.
Online Inspection System
Real-time visual monitoring along the filling and packaging lines to detect fill line anomalies, misaligned wicks, or printing blemishes before batch completion.
Transport Vibration Testing
Simulating sea, air, and truck freight vibrations to validate outer carton durability and ensure bottle seals prevent leakage over long transport distances.
Constant Temp & Humidity Test
Environmental chambers simulating extreme climate conditions (-20°C to +60°C) to test fragrance oil stability, wax sweat resistance, and label adhesion.
Inline Quality Inspection
Continuous monitoring during filling and assembly operations.
Vibration Tester
Verifies box integrity and leak prevention during maritime transit.
Climatic Incubator
Assesses shelf life and stability under varying heat and humidity.
Vacuum Drying Oven
Accelerated moisture and chemical volatility testing for oils and wax.
Verified Certifications & Global Audit Standards
Our commitment to quality, environmental responsibility, and fair labor practice is demonstrated through audited international certifications.
BSCI Audit
Compliant with international social accountability standards, ethical working conditions, and labor rights.
ISO 9001:2015
Certified Quality Management System covering raw material procurement, manufacturing, and customer service.
SGS On-Site Verified
Independently inspected on-site by SGS Group, verifying legal enterprise status, factory size, and production output.