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B4 Factory, No. 40, Luowu Road, Luo Village, Shishan Town, Nanhai District, Foshan City, Guangdong Province, China
News
Dec. 10, 2025
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Stainless steel sinks are widely used in kitchens, bathrooms, hospitality equipment, and commercial cooking systems. To achieve a smooth, bright, stain-free, and corrosion-resistant surface, sink manufacturers rely heavily on continuous bright annealing furnaces designed specifically for stainless steel deep-drawn products.
But why is bright annealing so important for sinks? And what do customers gain when they visit our factory to inspect the equipment?
Here is a complete breakdown.
During stamping, drawing, trimming, and welding, stainless steel sinks undergo:
High internal stress
Increased hardness
Surface dullness
Discoloration at weld areas
Reduced corrosion resistance
Microstructure distortion
A continuous bright annealing furnace solves these issues by:
Relieving internal stress
Restoring material ductility
Eliminating discoloration
Producing a smooth, bright mirror-like finish
Improving corrosion resistance
Stabilizing grain structure
This step is essential for premium-quality kitchen sinks.
For large-scale sink manufacturers, continuous furnaces deliver significant advantages:
High output and stable mass production
Fully automatic feeding and discharging
Uniform temperature distribution
Consistent and repeatable product quality
Reduced labor costs
24/7 continuous operation
Every sink passes through identical temperature zones, ensuring perfect brightness and hardness consistency.
A true bright surface requires strict atmosphere control.
Our furnace uses:
Hydrogen
Nitrogen
Dissociated ammonia
Low-oxygen protective gas
This ensures:
Zero oxidation
Zero scaling
Zero black spots
No water stains
Perfect bright metallic finish
The final appearance of the sink directly affects its market value—making atmosphere protection an absolute necessity.
Sink shapes are deep, complex, and vary widely in size. To meet production requirements, our furnace includes:
Multi-zone precise temperature control
Large-width conveyor system
Optimized heating chamber for deep-drawn parts
High-efficiency rapid cooling section
Intelligent gas circulation and flow control
Real-time monitoring and safety alarms
This ensures every sink exits the furnace with stable metallurgical properties and a flawless bright surface.
The furnace’s structural design maximizes efficiency:
High-performance thermal insulation
Optimized heating layout
Low gas consumption
Durable furnace lining
Minimal heat loss
Easy maintenance design
For factories producing thousands of sinks per day, energy savings significantly reduce operating costs.
A continuous bright annealing furnace is a major investment. Many overseas customers choose to visit our factory to confirm product quality and technical capability before placing an order.
During the visit, they can:
Inspect welding, machining, and assembly processes
Review heating chambers, insulation layers, and conveyors
Observe atmosphere piping and control systems
Watch a real-time bright annealing demonstration
Verify production capacity and quality control procedures
Discuss project customization
Confirm long-term technical support
Recent international clients visited us specifically for stainless steel sink bright annealing furnaces. They were impressed by our advanced manufacturing equipment, strict inspection standards, and test-running procedures—giving them full confidence in our products.
If you produce stainless-steel sinks or require a continuous bright annealing solution, feel free to contact us or schedule a factory visit.
WhatsApp: +8619303013292
Email: market@chengshengindustry.com



