Services
Your Trusted One-Stop Spring & Bedding OEM Partner
We provide end-to-end solutions—from design and material sourcing to manufacturing, quality testing, and delivery—ensuring a seamless experience.With state-of-the-art equipment and skilled technicians, we prioritize innovation, reliability, and efficiency. We provide tailored solutions to meet your unique needs—making the process simple, efficient, and worry-free.

Expert Consultation
Fast & Professional Guidance

Ultra-Fast
Production & Delivery

Tailor-Made OEM
Solutions with Quality Materials

Factory-Direct Pricing
Best Value Guaranteed
Customer Inquiry & Consultation
Customers contact the factory with their requirements, such as:
- Type and size of
- Bonnell spring frame or Pocket spring
- Wire thickness, coil count, and firmness level
- Load capacity and material preferences
- Quantity needed and delivery timeline
If the customer is unsure, the factory provides technical consultation and suggests suitable designs, materials, and production capabilities.
Quotation & Agreement
The factory prepares a quotation based on:
- Specifications
- Material costs
- Production volume
Terms are discussed, including:
- Pricing per unit
- Lead time & delivery schedule
- Minimum Order Quantity (MOQ)
- Payment terms
Once both parties agree, a contract or purchase order (PO) is signed.
Prototype Development (If Required)
If the customer needs a sample or prototype, the factory:
- Manufactures a sample for testing.
- Conducts internal quality checks before sending the sample to the customer.
The customer reviews the prototype and provides feedback for any necessary modifications.
Material Procurement & Quality Inspection
The factory sources raw materials, such as high-carbon steel or stainless steel.
Incoming materials are inspected for quality, ensuring:
- Proper tensile strength
- Durability and flexibility
- Rust resistance (if required)
Approved materials are stored in a designated area for production.
Mass Production & Quality Control
The manufacturing process begins, which typically includes:
- Wire forming & coiling – Creating the Bonnell springs or Pocket springs with consistent shape and tension.
- Heat treatment – Strengthening the metal to maintain durability and prevent sagging.
- Assembly of the spring frame – Connecting individual springs with helical wire for uniform support.
- Edge reinforcement – Adding border wires or additional support for durability.
- Surface finishing – Applying coatings (e.g., anti-rust treatment or electroplating).
Throughout production, quality control checks are conducted:
- Dimensional accuracy
- Load-bearing capacity
- Surface finish inspection
Any defective units are removed before final packaging.
Packaging & Labeling
The Bonnell spring frames and Pocket springs are carefully packed to prevent damage.
Packaging is customized based on the customer’s requirements.
Labels are printed with batch numbers, production ates, and other details.
Logistics & Shipping
The spring frames are prepared for shipment.
Customers can choose different delivery options:
- Domestic delivery (truck, courier)
- International shipping (sea freight, air freight)
The factory provides tracking details and estimated arrival times.
After-Sales Support
The factory follows up with the customer to ensure satisfaction.
If there are any issues or defects, a replacement or adjustment is provided based on warranty terms.
Customers can request ongoing production for future orders.
Customer Inquiry & Consultation
Customers contact the factory with their requirements, such as:
- Type of mattress (Bonnell spring, Pocket spring, Foam, Hybrid, Latex, etc.)
- Mattress size and thickness (Single, Twin, Queen, King, etc.)
- Firmness level (Soft, Medium, Firm)
- Special features (Orthopedic support, Cooling gel, Memory foam, etc.)
- Estimated quantity and delivery schedule
If the customer is unsure, the factory provides technical consultation on materials, comfort levels, and production capabilities.
Mattress Design & Fabric Selection
Once the customer’s requirements are confirmed, the factory assists in:
- Mattress design – Choosing the structure and internal layers (e.g., foam, springs, latex).
- Fabric selection – Choosing mattress cover materials such as:
– Knitted fabric (soft and breathable)
– Jacquard fabric (durable and premium)
-Bamboo fabric (eco-friendly and moisture-wicking) - Anti-mite, anti-bacterial, and fire-retardant options
- The customer can request branding and logo embroidery on the mattress fabric.
Quotation & Agreement
The factory prepares a quotation based on:
- Specifications (size, materials, layers)
- Fabric type and customization
- Production volume
Terms are discussed, including:
- Pricing per unit
- Lead time & delivery schedule
- Minimum Order Quantity (MOQ)
- Payment terms
Once both parties agree, a contract or purchase order (PO) is signed.
4. Prototype Development (If Required)
If the customer needs a sample mattress, the factory:
- Produces a prototype for comfort and durability testing.
- Conducts internal quality inspections before sending the sample.
- The customer reviews the prototype and provides feedback for modifications.
5. Material Procurement & Quality Inspection
The factory sources high-quality materials, such as:
- High-carbon steel for springs
- High-density foam or latex
- Fire-retardant and anti-bacterial fabrics
Incoming materials are inspected for:
- Strength and durability
- Comfort and flexibility
- Safety compliance (fire resistance, anti-mite, non-toxic)
- Approved materials are stored for production.
6. Mass Production & Quality Control
The manufacturing process includes:
- Spring assembly – Creating Bonnell or Pocket spring units.
- Foam layering – Adding support and comfort layers.
- Mattress quilting & stitching – Sewing the fabric cover and internal padding.
- Edge reinforcement – Strengthening borders for durability.
- Final assembly & compression – Preparing the mattress for shipping.
Throughout production, quality control checks are performed, including:
- Structural integrity
- Thickness consistency
- Surface finish and stitching quality
- Any defective units are removed before final packaging.
7. Packaging & Labeling
The mattresses are carefully packed based on the customer’s requirements:
Rolled & vacuum-se
- aled (for compressed mattresses)
- Flat-packed in protective plastic & carton box
- Labels are printed with batch numbers, production dates, and customer branding (if requested).
8. Logistics & Shipping
- The mattresses are prepared for shipment.
- Customers can choose:
– Domestic delivery (truck, courier)
– International shipping (sea freight, air freight)
– The factory provides tracking details and estimated delivery time.
9. After-Sales Support
- The factory follows up with the customer to ensure satisfaction.
- If there are any issues or defects, adjustments or replacements are provided under warranty terms.
- Customers can request ongoing production for future orders.
Contact
—
Headquarter
Soon Hong Heng Co., Ltd.
Address : 37/20-21 Moo 3
Soi Bangpla 8, Theparak Road
Bangpla, Bangplee
Samutprakarn, Thailand 10540
Tel: 02-312-1160, 02-750-7063-4
Fax: 02-750-7065
Business Hours
—
Monday – Saturday : 08.00 AM-05:00 PM
Sunday: Closed

