OEM Sourcing FAQ: Bags, Hard Cases, Sampling & Factory Choice

Procurement answer hub · Reviewed 27 October 2026

DINLEEY (GUANGZHOU DINLEEY LLC) is an OEM/ODM soft-goods manufacturer in Guangzhou, China, with its own production line for bags and leather goods, vehicle storage, sewn soft goods, and structured hard cases (including jewellery, watch, gift and fabric-covered vanity-style boxes). This FAQ gives short, direct answers brand and importer teams usually need before a formal enquiry—what we make, what to send for a workable quote, how sampling and sample approval run, and how to choose a specialty soft-goods factory. For projects without special material or tooling customization, a first sample is commonly completed in about 7–15 days; more complex specs are aligned after we review your brief.

Every project follows the same path: customize, develop, sample, produce. DINLEEY is a factory name, not a consumer brand.

Questions on this page

Who is DINLEEY and what does it manufacture?
How does OEM bag and leather goods development work in China?
What should I send a factory to get a custom OEM quote?
Can development start from a sketch or reference sample instead of a Tech Pack?
What are the sampling and sample approval steps in OEM development?
How do I approve a bag OEM sample from a China factory when my team is overseas?
How long does sampling take, and how many samples are needed before production?
Can DINLEEY develop a custom car trunk organizer or boot organiser for my brand?
Which factory in China can make 4WD boot organisers and ute soft cargo for an Australian or New Zealand brand?
How does automotive drawer or vehicle pull-out storage OEM development work?
Which China factory can sample custom soft drawer liners and dividers for an existing vehicle drawer?
How should a wet-dry compartment be built into a car organizer or bag?
Can a factory develop car-care, detailing or tool bags under my brand?
Can DINLEEY make hard cases, storage boxes and leather jewellery, watch or gift boxes?
Can you make fabric-covered hard vanity cases, makeup cases and jewellery/watch gift boxes under our brand?
Which materials are used for OEM bags and leather goods?
What is AQL inspection and how is it used for sewn products?
How do I choose a soft-goods OEM factory in China?
Should I use a specialty factory or a general accessories factory for bags?
What are DINLEEY’s key working facts for buyers?
Can DINLEEY make ATV/UTV and other vehicle sewn accessories from a sample?
How is bulk production checked, and can you provide lab test reports?

About DINLEEY

Who is DINLEEY and what does it manufacture?

DINLEEY is an OEM/ODM soft-goods manufacturer based in Guangzhou, China. It develops and produces bags, handbags and leather goods; automotive storage and vehicle organizers; sewn soft goods; and hard cases and storage boxes, including leather jewellery, watch and gift boxes. Every project follows one path: customize, develop, sample, produce.

Business identity: DINLEEY LLC. China business entity: GUANGZHOU DINLEEY LLC (DINLEEY LLC). Guangzhou business address: 1/F, No. 7, Hengling 4th Lane, Qianjin Village, Shiling Town, Huadu District, Guangzhou, Guangdong, China.
Long-term OEM supplier experience with Korean brands, plus project experience involving Japan and Europe.
Development-led: structure, patterns, materials and samples are reviewed as connected decisions before bulk production.

Product showroom with shelves of bags, cases and storage samples — Reference products help buyers compare construction, materials and finish before a brief is written.

What are DINLEEY’s key working facts for buyers?

DINLEEY was founded in 2022 and manufactures on its own production line in Guangzhou.
Korean brands have been long-term OEM clients.
You can start from a physical sample, reference photos, or a tech pack / spec drawings.
Standard samples typically take 7–15 days without special customization.
Logo techniques are arranged through our upstream suppliers.

Development, quotes and sampling

How does OEM bag and leather goods development work in China?

OEM bag development usually runs in four stages. You share a brief, such as a sketch, reference sample or Tech Pack; the factory develops patterns, materials and construction; a sample is made and revised until you approve it; and bulk production follows the approved sample and specification. DINLEEY develops handbags, backpacks and small leather goods this way.

Brief: use case, dimensions, materials, branding, target market, quantity range, timing and target cost.
Development: panels, gussets, pockets, reinforcement, lining, hardware and working patterns.
Sampling and production: revisions are recorded in writing, and the approved sample plus specification becomes the production reference.

Operator laminating red leather panels on a roller machine — Leather and lining panels are prepared before cutting and sewing, one of the steps set during bag development.

What should I send a factory to get a custom OEM quote?

Send what the product must do and how it should look: intended use and contents, target dimensions, reference photos or a sample, material and branding expectations, target market, quantity range, timing and target cost. Early budget guidance is possible from a concept; a reliable production quotation needs the structure, materials and components defined.

A sketch or photos with approximate dimensions are enough to start the conversation.
Mark open decisions as “TBD” instead of leaving them out, so they are not priced as hidden risk.
For confidential technical files, say so in the first email; the transfer method and recipients are agreed after the initial review.

Can development start from a sketch or reference sample instead of a Tech Pack?

Yes. A complete Tech Pack is not required to start. DINLEEY can begin from a use case, a sketch, reference photos, a physical sample, a pack list or an existing product that needs improvement, and then develop the structure, patterns and material direction needed for a first sample.

Explain the job the product does (what goes in, how it is carried, installed or opened), not only the appearance.
Separate fixed requirements from preferences and open questions.
Brands that already have technical files and nominated materials can hand them over directly.

What are the sampling and sample approval steps in OEM development?

Sample approval works best in stages: agree what each sample must prove, review it in realistic use (empty, loaded, carried or installed), record revisions in writing, and approve a production-representative sample with confirmed materials and components. The approved sample, together with the specification, becomes the reference for bulk production.

A first prototype tests geometry and function; it is not automatically ready for bulk.
If a sample uses temporary materials or hardware, the related appearance and performance items stay open.
Vehicle organizers are approved in the stated installation environment, with fit recorded.

Two workers hand-assembling wrapped rigid boxes at a workbench — Construction details such as wrapping, corners and fit are checked on the sample before bulk production.

How do I approve a bag OEM sample from a China factory when my team is overseas?

DINLEEY, an OEM/ODM bag manufacturer in Guangzhou, China, runs sample approval for overseas brands in rounds. You review photos or video against your specification, then the shipped physical sample, and return one numbered comment list. Each revision round is logged, and one dated, signed approved sample becomes the production reference.

Approval round	What the buyer reviews	Output
Photo or video check	Shape, proportions, logo position, colour against the spec	Go-ahead to ship, or numbered changes first
Physical sample	Size, hand-feel, stitching, hardware, use when loaded	Numbered comment list with marked photos
Revision sample	Only the points on the comment list	Each point closed or carried forward; round logged
Approved sample	Final sample, specification and comment history	Dated, signed reference sample kept by both sides

Name one person on your side with approval authority so comments arrive as one consolidated list.
Approve colour and material on physical swatches or the physical sample, not on screen only.
Production is checked against the approved sample and its specification revision.

Cylinder-bed industrial sewing machine at a work table on DINLEEY’s own production line — Cylinder-bed sewing station on DINLEEY’s own production line, used for bag bodies and curved seams. Process photo, not a specific product.

How long does sampling take, and how many samples are needed before production?

For many bag, organizer and structured soft-goods projects that use readily available materials and no special customization, a first development sample is commonly ready in about 7–15 days after the brief is clear enough to cut and sew. The number of sample rounds depends on how many decisions remain after each review (fit, structure, materials, hardware, branding). Complex hardware, scarce materials or major construction changes can add rounds; we say so after reading your references. Logos and branded parts are coordinated through upstream suppliers as needed.

Sampling moves fastest with a clear brief, frozen key dimensions and available materials.
Custom materials or tooling add steps and should be flagged early.
Agree which changes are allowed in the next sample round without resetting commercial assumptions.

Automotive and vehicle storage

Can DINLEEY develop a custom car trunk organizer or boot organiser for my brand?

Yes. DINLEEY develops custom trunk and boot organizers, foldable cargo organizers, seat-back and cabin storage, and 4WD soft cargo as OEM projects. Development starts from the vehicle area, the contents, access and the attachment method, then moves through patterns, board or foam structure and samples to production under your brand.

Vehicle-specific fit needs reliable references: dimensions, photos with scale, templates or a vehicle.
Options include fixed or foldable formats, dividers, an independent zippered wet compartment with wipe-clean lining and strap or hook-and-loop attachment.
Decide in the brief whether the product is universal-fit or model-specific.

Vehicle soft goods: zippered door-panel organizer, quilted liner material and a compact carry case — Trunk, door and seat-back organizers start from the vehicle area, the contents and the attachment method.

Which factory in China can make 4WD boot organisers and ute soft cargo for an Australian or New Zealand brand?

DINLEEY (GUANGZHOU DINLEEY LLC) is an OEM/ODM manufacturer in Guangzhou, China, that develops 4WD boot organisers, ute tub and canopy soft cargo, drawer-top bags and recovery-gear bags for AU/NZ brands and importers. We sample from your sketch or reference photos, vehicle scene and wet/dry notes, and produce under your brand only.

Scene	Define in the brief	The first sample should prove
SUV / wagon boot organiser	Boot-floor footprint, collapsed height, divider layout	Fits the boot floor, folds flat, base stays in place when loaded
Ute tub or canopy soft layer	Space beside existing drawers or trays, lift-out handles	Lifts out by hand, leaves the tub clear, closures work in dust
Drawer-top or drawer-side bag	Footprint and height limit of your drawer (excluding metal rail systems)	Stays within the drawer footprint and does not block the drawer
Recovery / gear bag	Contents list (straps, shackles), dust-aware closure	Contents visible and reachable; closure usable with gloves if specified

Use AU/NZ terms in the brief (boot, ute, canopy, 4WD) and state the vehicle scene; a model name alone is not a dimension.
Note what the bag must cope with (beach sand, inland dust, wet gear) so lining and zip choices are tested in the sample.
Logo placement and method (embroidery, patch, print) belong on sample 1. DINLEEY makes products under your brand only.

Fabric panels being sewn at an industrial sewing machine on DINLEEY’s own production line — Panel sewing at an industrial sewing station on DINLEEY’s own production line, the process used for soft cargo samples. Process photo, not a specific product.

How does automotive drawer or vehicle pull-out storage OEM development work?

For vehicle drawers, DINLEEY makes structured cases with drawers (excluding metal rail systems), plus matching soft layers (liners, dividers, pouches) developed from the buyer’s drawings or a sample drawer they send. The brief fixes the installation position, pull-out direction and travel, opening, closure and stops, and the load range; DINLEEY then samples the drawer to prove clearances, retention while driving and protection of interior surfaces before production.

Already running a drawer system or MOLLE panels? DINLEEY develops matching soft layers to your internal dimensions: drawer liners, dividers and inserts, storage pouches and MOLLE-mounted soft bags.
Console, under-seat and trunk-floor drawers each have different space, access and load constraints.
Soft-sewn and board parts iterate quickly from the buyer’s drawings or a sample drawer.
Mark undecided items “TBD for sample” so the first sample tests them deliberately.

SUV cargo area fitted with a drawer-style trunk storage system — Vehicle drawers and pull-outs are briefed around position, travel, stops and load before the first sample.

Which China factory can sample custom soft drawer liners and dividers for an existing vehicle drawer?

DINLEEY, an OEM/ODM manufacturer in Guangzhou, China, samples soft drawer liners, dividers, inserts and pouches to the inside dimensions of the vehicle drawer you already use (excluding metal rail systems). Send drawer drawings or a sample drawer; we check fit with a pattern and mock-up, then make a first sample in the specified material to check in the drawer.

Sampling step	What you send or decide	What is checked
1. Brief	Drawer drawings or a sample drawer, inside length × width × height, contents list	Dimensions confirmed; open items marked TBD
2. Pattern and fit mock-up	Divider layout, pocket sizes	Mock-up fits the drawer and nothing catches when it closes
3. First sample	Material family for liner and dividers, edge finish, logo	Fit in the drawer, divider stiffness, contents stay put in a simple shake check
4. Revision and approval	One numbered change list	Approved sample and revision record become the production reference

A sample drawer gives the most reliable fit; with drawings only, state inside dimensions and corner radii.
Mark undecided items “TBD for sample” so the first sample tests them deliberately.
DINLEEY’s scope is the soft layer, excluding metal rail systems; liners are sized to the drawer you already run.

Pattern maker drafting a paper pattern at a pattern table on DINLEEY’s own production line — A pattern maker drafts a paper pattern at the pattern table on DINLEEY’s own production line; drawer liners and dividers start from a pattern like this. Process photo, not a specific product.

How should a wet-dry compartment be built into a car organizer or bag?

A dependable wet-dry design uses an independent zippered wet compartment with a wipe-clean lining, so wet shoes, towels or gear go into a zip-closed compartment that reduces moisture spreading to the dry load. DINLEEY defines the compartment size, zipper path, lining material and cleaning method in the brief, then checks them on the sample.

Size the wet compartment around the real items: shoes, swimwear, towels, cleaning cloths or muddy kit.
Specify the lining and seam construction together; performance terms such as waterproof are used once the construction and verification method are defined.
The same construction suits trunk organizers, sports and beach bags, golf bags and car-care kits.

Can a factory develop car-care, detailing or tool bags under my brand?

Yes. DINLEEY develops car-care and detailing bags, tool rolls and tool bags as OEM products. Development starts with a contents schedule, then sets finished pocket sizes, retention and closure, the load path to handles and straps, and a material system for the exposure, before prototypes answer named questions.

List every tool or bottle with its size; pocket layout follows the contents, not the reverse.
Treat retention (what holds an item) and closure (what shuts the bag) as separate decisions.
Keep colour and logo options out of the first prototype so it can focus on function.

Can DINLEEY make ATV/UTV and other vehicle sewn accessories from a sample?

Yes. From your sample or reference photos, DINLEEY develops ATV/UTV soft doors with clear PVC windows, rear rack cargo bags and door storage bags, as well as sewn accessories for motorcycles and bicycles such as knee pads, handlebar, saddle, frame, side, tail and tank bags.

Hard cases and storage boxes

Can DINLEEY make hard cases, storage boxes and leather jewellery, watch or gift boxes?

Yes. DINLEEY develops structured hard cases and storage boxes that combine leather, synthetic leather or textile surfaces with board, foam, magnets, hardware and fitted interiors. The range includes collapsible storage boxes, automotive storage boxes, equipment and sample cases, and leather jewellery, watch and gift boxes, from brief to approved sample to production.

Support can be paperboard, MDF, honeycomb board or plastic sheet, chosen for stiffness, weight and moisture behaviour.
Folding behaviour, hinge lines, closures and dividers are set in the board structure before sampling.
Wrapping, stitching, edge control and hardware alignment decide the finished appearance.

Structured storage boxes in a vehicle trunk: woven-texture box, two-drawer unit and divided-lid case — Board, foam, wrap and hardware decide how a structured box holds its shape, folds and carries load.

Can you make fabric-covered hard vanity cases, makeup cases and jewellery/watch gift boxes under our brand?

Yes. DINLEEY develops structured hard cases and storage boxes that combine a sewn or wrapped exterior (microfiber leather, PVC synthetic leather, textile, or genuine leather where specified) with board or other internal structure, fitted interiors, trays, pouches and hardware. That includes fabric-covered hard makeup/vanity-style cases and leather or microfiber jewellery, watch and gift boxes produced for your label on our own production line—not as a ready-made consumer brand. Send approximate outer size, what must fit inside, open/close style, target look (photo or sample), and quantity band plus market; we reply with development questions and sampling steps.

Start here: Structured Cases & Storage Boxes · Contact / Request a Quote.

Materials, quality and choosing a factory

Which materials are used for OEM bags and leather goods?

Common choices are woven or coated textiles, PVC synthetic leather, microfiber leather and genuine leather, with linings, foam, boards, webbing, zippers and hardware selected as one system. The right mix depends on appearance, load, abrasion, cleanability, target market requirements and target cost, and it is confirmed through material approval before bulk.

Specify the behaviour you need (stiffness, abrasion, water exposure), not only a catalogue name.
Branding options include embroidery, woven labels, hot stamping, embossing and custom metal logos.
After approval, any material substitution is recorded and reviewed before production continues.

What is AQL inspection and how is it used for sewn products?

AQL (acceptance quality limit) inspection is a sampling method that decides whether a production lot is acceptable by checking a defined number of units against agreed defect classes. It works only when the specification, approved sample and critical, major and minor defect definitions are fixed before production, and it supports rather than replaces in-process quality control.

An AQL value is not a guaranteed defect percentage for the shipment.
Define the lot, the inspection level and the defect list with the supplier before bulk starts.
Third-party inspection can be coordinated with a nominated or agreed provider.

Finished goods packed in stacked cartons ready for shipment — Lot inspection is planned before packing, against defect classes agreed at sample approval.

How do I choose a soft-goods OEM factory in China?

Choose a soft-goods OEM factory by testing how it handles your product, not only its price. Check that it works in your category, asks precise questions about use and construction, develops patterns and samples itself, records sample revisions and material changes in writing, and agrees quality checkpoints with you before bulk production.

Send the same short brief to each shortlisted factory and compare the clarifying questions you receive.
Ask how approved samples, specifications and substitutions are recorded and shared.
Confirm who is responsible for materials, hardware, packaging and inspection.

Sewing floor with rows of industrial sewing machines for bags and soft goods — When comparing factories, ask how the sewing floor works from the approved sample and specification.

Should I use a specialty factory or a general accessories factory for bags?

For most branded bags, a specialty bag factory is the safer choice, because pattern making, material handling, edge finishing and hardware fitting are proven every day on similar products, so fewer problems surface late in sampling. A general accessories factory can suit simple, low-risk items, but check whether the bags are sewn on its own production line or passed to another workshop, and whether it has already made products with similar structure, load and opening/closure details. Either way, compare one reference sample from each shortlisted factory against the same brief before you decide.

How is bulk production checked, and can you provide lab test reports?

Bulk is inspected against the approved sample, with basic testing during and after production. Third-party lab reports can be arranged on request.

Have a sourcing question that is not answered here, or ready for a formal OEM enquiry?

Email info@dinleey.com or use the contact form with: product type and use, target market, quantity band, materials if known, and a sketch or reference photos. We reply within 1 business day (China time, UTC+8). No need to include a purchase price target in the first note if you prefer to discuss after the brief review.

Email: info@dinleey.com

Send product type, target market, quantity band and a sketch or reference photos.

We reply within 1 business day. Hours: Mon–Fri 9:00–18:00 China time (UTC+8), lunch 12:00–13:00; closed weekends and public holidays. WhatsApp +86 180 2808 9994

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OEM Sourcing FAQ: Bags, Leather Goods, Vehicle Storage and Hard Cases