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Contrôle de qualité
Every Pair Stands Inspection

At Suphini, we hold a simple belief: quality is not achieved through inspection alone, but upheld in every step of the process. With two decades of dedication to handmade dance shoes, we have established a full-process quality control system covering everything from material incoming inspection to finished product shipment. This is not merely a set of rules on the wall, but a working practice embedded in every day, every procedure, and every pair of hands.


We understand that for our brand partners, consistent quality speaks louder than any promise. Each pair of shoes delivered to your customers represents your brand reputation—and we are proud to be the most reliable guardian of that reputation.

Why Is Quality So Important to Us? Because a Dancer' s Feet Never Lie

A flawed pair of dance shoes may only show a slightly misaligned line on the design or a tiny material defect. But for dancers, these small issues lead to unstable turns, painful landings, and even long-term injuries during training.

Because your brand deserves the best protection

Every pair of dance shoes bearing your logo carries your reputation. Customers' experience—comfort or discomfort—directly shapes their repurchase decisions and recommendations.

Because we stand by our principles

In an era of speed, we choose a simple rule: no matter how urgent the order or tight the schedule, manual quality inspection is never skipped, and quality standards are never compromised. This is not stubbornness, but basic respect for craftsmanship.

Our Three-Tier Quality Inspection System

Suphini' s quality control runs through the entire production process, covering three Tiers: incoming material inspection, semi-finished product inspection, and complete finished product inspection. Each level has clear standards, dedicated supervisors, and complete records.

First Tier
Second Tier
Third Tier
First Tier: Incoming Material Inspection

Prevention of all quality issues starts the moment materials arrive.

Inspection Items

Material Type

Inspection Items

Standards

Leather

Thickness uniformity, softness, texture consistency, color fastness, free of obvious scars

Meets Suphini material grading standards

Satin / Fabrics

Luster, drape, snags resistance, color difference

Compared with approved swatches; differences within acceptable range

Sole Materials

Hardness, wear resistance, anti-slip performance

Meets functional requirements for specific dance styles

Others

crystal luster, fastener firmness, thread tensile strength

Random inspection per batch; rejected if non-conforming

Inspection Method:
10%–20% random inspection for each batch, full roll inspection for critical materials.
Only approved materials are accepted into inventory; non-conforming batches are returned to suppliers.
Second Tier: In-process Semi-finished Product Inspection

During the production process, a dedicated inspection node is set up after the completion of each key process.

Key Inspection Nodes

Process Node

Inspection Content

Inspection Method

After Cutting

Whether the panel dimensions conform to the pattern, whether there are obvious defects, and whether the left and right pieces are symmetrical

Visual inspection + measurement, piece-by-piece inspection

After Upper Sewing

Whether the stitches are even, whether there are skipped or broken stitches, and whether the component assembly is accurate

Visual inspection + hand feel, pair-by-pair inspection

After Lasting

The fit between the upper and the shoe last, the symmetry of the left and right shoes, and the ankle wrapping performance

Visual inspection + hand feel,
pair-by-pair inspection

After Sole Attaching

Whether the outsole and midsole are accurately aligned, whether there is excess glue, and whether the edges are smooth

Visual inspection + pressing, pair-by-pair inspection

After Internal Finishing

Whether there are excess threads inside the shoe, whether the lining is smooth, and whether the edge treatment is in place

Hand feel + visual inspection, pair-by-pair inspection

Third Tier: Full Finished Product Inspection – The Final Check Before Shipment

Every pair of shoes must undergo a comprehensive finished product inspection before packaging.

Inspection Dimensions

Inspection Dimensions

Specific Content

Inspection Method

Appearance

Symmetry of left and right shoes, color consistency, no scratches or dents, no glue stains or dirt marks

Visual inspection, multi-angle observation under natural light

Structure

Heel firmness, outsole bonding strength, stitch tensile strength

Hand feel + tool testing

Function

Forefoot bending flexibility, outsole grip (simulated wooden floor / vinyl floor)

Manual bending + anti-slip testing

Comfort

Ankle support, arch support, overall wearing comfort

Dynamic evaluation by fit testers

Accessory

The durability of the diamond jewelry, the clarity of the logo, and the integrity of the accessories.

Visual inspection + hand feel

Inspection Standard
All inspection items must pass before entering the packaging stage. If any item fails to meet the standard, the product shall be returned for repair or scrapped.
Quality Control Supervisor at Suphini
Machine testing can only tell you whether the data meets the standards, but the touch of hands can tell you how these shoes will actually feel when worn. We insist on manual quality inspection because we want every pair of shoes to know that someone cares.
— Master Wang, 25 years of industry experience
Key Links in Quality Control
In addition to the triple inspection system, we pay special attention and apply strict standards to the following critical links.
Quality Control in the Lasting Process
Lasting is the soul of handmade shoemaking and the key to determining the fit of dance shoes. At this stage, our quality inspection focuses on:

● Whether the upper fits the last properly, with no local looseness or tightness.
● Whether the tension of the forepart and backpart is appropriate to ensure good wrapping performance.
● Whether the shape of the left and right shoes is symmetrical and the lines are consistent.

After lasting is completed, the shoes must be left to rest for a sufficient period to fully stabilize the shape of the upper. Any hasty production will likely compromise the final result. Therefore, this resting step will never be shortened, even when orders are urgent.
Quality Standards for Internal Finishing
The quality of the internal finishing process directly determines the wearing experience for dancers. Our standards include:

● No excess threads inside the shoe; all trimmed areas are smooth and flat.
● The lining fits tightly to the upper, free of wrinkles and bubbles.
● Uniform and delicate binding around the shoe collar, with no irritation.
● Evenly polished sole edges with a smooth touch.

Every craftsman responsible for internal finishing has received long-term training and is able to detect the slightest unevenness by touch. This dedication to the unseen details is a true reflection of Suphini’s quality.
Special Treatment for crystal Security
For crystal dance shoes, we adopt a dual-reinforcement process:

● Each crystal is manually pressed a second time immediately after heat-applied bonding to ensure tight adhesion to the upper.
● More secure fixing methods are for areas prone to wear, such as near the toes and along the upper edges.
● During finished product inspection, each crystal area is individually pressed and tested to ensure no looseness.

We understand that every crystal of shoes on stage is part of the performance. Making them sparkle under the lights while staying securely attached is our promise to performers.
Final Confirmation of Sizing & Pair Matching
After finished product inspection, there is one final step that seems simple yet crucial: left-right pair matching and size verification.

● The left and right shoe of the same pair must be fully matched, with symmetrical lines and no color difference.
● Size labels are clear and accurate, consistent with the actual size of the shoes.
● Shoes of the same size within the same batch order maintain consistent quality.

This step is handled by dedicated staff to ensure every pair delivered provides customers with a satisfying experience when they open the box.
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Mechanism for Handling Quality Issues
Although we hold ourselves to the strictest standards, unexpected issues may still arise during long-term cooperation. Suphini has established a comprehensive mechanism for handling quality problems to ensure a rapid response and proper resolution whenever issues occur.
Detection and Feedback
Whether you discover problems upon receiving the goods or abnormal usage feedback from your customers, you are welcome to communicate with us immediately. Every piece of feedback represents an opportunity for us to improve.
Verification and Liability Confirmation
Upon receiving feedback, we will contact you within 24 hours to clarify the details and request supporting evidence (such as photos, videos, or samples). If it is verified that we are fully liable, we will provide corresponding solutions based on the severity of the issue.
Problem Analysis and Process Improvement
We conduct internal reviews for every quality issue, analyze the root causes, and optimize relevant procedures. We believe that a truly responsible approach lies not only in solving problems but also in preventing the same issues from recurring.
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Solutions and Compensation Measures
For quality issues confirmed to be our responsibility, we offer the following solutions:
such as defects on a single shoe or individual components — we will arrange replacement or re-delivery.
Such as common defects across an entire batch — we will provide return, exchange, or re-production services.
Reasonable compensation will be provided through negotiation for losses caused by quality issues.
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FAQs on Quality Inspection
1
Are your quality inspection standards transparent?
Yes. For long-term brand partners, we provide a detailed PPS (Pre-production Standard) Manual. Both parties confirm the standards together before mass production. The manual specifies key dimensions, craftsmanship details, material specifications and inspection methods to ensure full alignment on quality requirements.
2
How do you ensure bulk production matches sample quality?
We follow a strict pre-production sample approval process. Once confirmed, we will keep it as sealed sample shoes. During the first bulk production run, every pair is compared against the sealed sample; production continues only after full approval. During mass production, we implement first-piece inspection, in-process random inspection, and 100% finished-product inspection to ensure each batch matches sample quality.
3
How will you handle a small number of defective items in the same batch?
Normally you will not receive defective items, which are already filtered out of factory during our final inspection. However, if a small number of defects appear due to logistics or other reasons, simply provide relevant evidence. We will confirm liability within 24 hours and offer re-delivery, replacement or corresponding compensation accordingly.
4
Do you accept third-party quality inspection?
Yes. For clients with special requirements, we welcome third-party inspection agencies to conduct random or full inspection before shipment. Please communicate with us in advance if you need this service, so we can coordinate schedule and procedures.
5
Will quality inspection steps be shortened for urgent orders?
No. This is our core bottom line: no matter how urgent the order is, we will never skip or shorten any quality inspection process. We can compress production scheduling and improve communication efficiency, but we will never rush through any quality inspection step.
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Contact Us
Let's Get in Touch!

If you have any questions about our products or services, feel free to reach out to customer service team.

1
Do you provide OEM/ODM services?
Yes, Suphini specializes in providing OEM and ODM services for our partners. We have a professional design team that can develop shoe styles based on your requirements.
2
Which parts of the shoes can be customized?
We support customization for various parts such as upper materials, colors, sole types, shoe straps/buckles, linings, heels and lasts, with logo printing service also provided. The specific scope of customization shall be subject to manufacturing process feasibility.
3
How long is the production lead time?
Standard orders typically take 15–30 working days, while custom-designed orders require 30–60 working days. The exact delivery time will be confirmed based on order complexity and current production schedule, and we will clearly specify it in the contract.
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Contact us to discuss your dance shoe needs and get a quote.
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