Quality guarantee

Raw Material Warehouse

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Case 01

Quality Assurance at Jiean Bags

Trusted by 15+ Luxury Brands | GRS 4.0 Certified | Sustainable Bag Manufacturer

Case 02

Raw Material Inspection & Warehouse Management

At Jiean Bags, we ensure every raw material meets strict quality standards. Materials like vegan leather, recycled fabrics, and eco-friendly textiles undergo:

Inspection & Sorting: According to purchase orders, consignment invoices, and customer specifications.

Data Recording: Warehouse ERP system integration ensures material tracking, inventory updates, and order accuracy.

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Case 03

Incoming Quality Control (IQC)

Our IQC team inspects materials following America’s Four-Point System Standards and Pantone color accuracy. Common quality checks include:

Material consistency: No mixing, scratches, or damage.

Fabric Inspection: Detects flaws like pulled threads or stains.

Leather Quality Check: Ensures no vein marks, grain damage, or pinholes.

CUTTING
Precision Material Cutting
We use advanced cutting machines for precise material shaping, including:

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Four-Column Oil Press Cutters: For non-metallic materials like leather and textiles.CUTTING
Laser Cutting Technology: For customized bag designs and intricate patterns.
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Leather Skiving Machines: Ensure smooth, even leather thickness.

PREPARATION

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Our Preparation Department ensures all materials meet production standards. Key processes include:

Cutting and preparing zippers based on sample patterns and color swatches.

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Verifying silkscreen printing, embroidery, edge painting, and thermoforming for durability and style.

Specialized Equipment:

Electric Zipper Teeth Punching Machine:

Precise application of zippers to various products like handbags and wallets.

Testing & Inspection Lab

Our in-house testing lab ensures bag durability through:

Tensile Strength Tests: Leather, textiles, and accessories.
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Metal Detection: To avoid leftover hardware in finished bags.
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Color Fastness & Corrosion Tests: Ensuring long-lasting bag appearance.
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Tensile Strength Tests: Leather, textiles, and accessories.
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Our in-house testing lab ensures bag durability

MANUFACTURING WORSHOP

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Sustainable Manufacturing Workshop

Our skilled team of 1,200+ craftspeople ensures:


Expert Craftsmanship: Hand-stitching, leather edge-painting, and precise assembly.

Eco-Conscious Production: Using environmentally friendly materials and reducing waste.

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The pneumatic computer cylinder-bed sewing machine is mainly is used to stitch plastics, papers, handbags, Velcro, leather, non-woven fabrics and for blind stitching and leather edge-bindings.

The pneumatic computer long arm sewing machine can automatically set the stitch numbers, cut threads, stitch reversely, and its steady performance and neat cutting is ensured by dish knife thread-cutting.

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The column sewing machine is mainly employed to stitch large-size, spatial and curvature-shaped materials.

The auto-gluing seam beating and flattening machine is employed to conduct a series of process including edge separating, gluing, beating and flattening, and the computer on it can control the glue temperature and flow.

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The fully automatic leather edge-painting machine is used to edge-paint and then dry shoulder girdles with a range of 20-130cm for handle webbing, accessory leather strips, and belts.

PACKAGING WAREHOUSE

The department of packaging is primarly responsible for cleaning, reshaping, tagging, bagging, encasing, bar coding, and price tag labelling on all products produced in our facility. It is here that we check product specifications, patterns, colors, and brightness before they are shipped. The products are then packaged using environmentally-friendly materials. Also, cardboard and other packages can be customized upon request.

Qualified products are to be checked according to the final-phase inspection report of the quality control department in the finished products warehouse, then products are to be warehoused based on order numbers, placed according to their respective purchasers and delivery destinations. They are finally arranged in strict accordance to schedule and packing lists. The adoption of a digital temperature control system for automatic defrosting and moisture exhausting prevents the products from being damaged due to environment changes.

QUALITY CONTROL DEPARTMENT

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The quality control department is responsible for the inspection of all products and materials, including incoming material inspection, semi-finished product inspection, finished product inspection, packing inspection and shipping inspection.
All inspections are performed by the inspectors at the inspection station. The natural light or near natural light are required for the inspection environment, the viewing distance is 500-700mm.

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Packaging & Final Inspection
Before shipping, every bag undergoes:

Final Inspection: Checking product specs, design accuracy, and finishing quality.
Eco-Friendly Packaging: Using recycled and custom packaging materials upon request.

Why Choose Jiean Bags?

Trusted Supplier to 15+ Luxury Brands
GRS 4.0 Certified Sustainable Manufacturer
Custom Bag Design & OEM/ODM Expertise
Leaders in sustainable luxury fashion,
We are experienced operators.
WhatsApp
Address:
Floor 7, Qi Feng Building, No.1, Dongkeng Harvest Road, Dongkeng Town, Dongguan City, Guangdong Province. China.
Phone:
0086-136 6298 3946
Email:
sales@jieanhandbag.com
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