Manufacturing-line evidence
Extrusion, winding, drying, packing, and shipping videos with buyer checklists.
WJ 3D Printer Filament Factory
Latest Factory Videos
Follow real factory videos, new filament colors, material updates, and production notes for OEM buyers.
Silk PLA+ production video · October 2026
Blue Silk PLA+ Filament Production Line: Winding and OEM Color Approval
Posted
Watch blue silk PLA+ filament winding at WJ. Review the blue spool, silk reflections and sample, spool and packaging checks for an OEM order.
Buyer valueReview the visible winding stage and blue silk appearance, then approve physical samples and order specifications.
Useful forDistributors and OEM brands selecting a blue silk filament range.
Factory evidenceBlue filament travels through a metal guide and winds onto a rotating spool with dark flanges.
Color and finishApprove a physical blue spool and an agreed test print under consistent lighting.Material and filament checksConfirm the PLA+ silk grade, diameter, measurement method and acceptance criteria.
Watch blue silk PLA+ winding
Silk PLA+ production video · October 2026
Red Silk PLA+ Filament Production Line: Winding and OEM Color Approval
Posted
Watch red silk PLA+ filament winding at WJ. Review the red spool, silk reflections and sample, spool and packaging checks for an OEM order.
Buyer valueReview the visible winding stage and red silk appearance, then approve physical samples and order specifications.
Useful forDistributors and OEM brands selecting a red silk filament range.
Factory evidenceRed filament travels through a metal guide and winds onto a rotating black spool.
Color and finishApprove a physical red spool and an agreed test print under consistent lighting.Material and filament checksConfirm the PLA+ silk grade, diameter, measurement method and acceptance criteria.
Watch red silk PLA+ winding
Silk PLA+ color showcase · October 2026
White Silk PLA+ Filament: Color and Print Finish Showcase
Posted
See WJ white silk PLA+ filament on a black spool and a sculpted print. Review white tone, silk highlights and physical sample checks for an OEM order.
Buyer valueReview white tone and reflected highlights on the spool and print, then approve physical samples before ordering.
Useful forDistributors and OEM brands selecting white decorative filament.
Factory evidenceWhite filament on a black spool and a sculpted white print, shown from several angles.
White and finishApprove a physical spool and test print under agreed lighting.Grade and profileConfirm PLA+ silk grade, diameter and the approved print profile.
View white color and silk finish
OEM customization process · October 2026
OEM Filament Customization: Process and Details
Posted
Plan an OEM filament order with WJ: confirm materials, colors, boxes, spools and labels, approve physical samples, and agree production and delivery details.
Buyer valueAgree the details, approve physical samples, then release mass production.
Useful forFilament brands, importers and distributors planning a private-label order.
WJ process informationWJ-provided workflow: specification review, physical samples and approval before production.
Start your inquiryMaterial and quantity by color; standard or special colors.Approve before productionPhysical packaging, filament color, spool printing and label content.
Explore the OEM process
Silk PLA+ color showcase · October 2026
Silk PLA+ Macaron Colors: Pastel Filament and Print Finish Showcase
Posted
Explore WJ silk PLA+ macaron filament with a pastel spool and glossy horse-head print. Review color transitions, finish and sample checks before an OEM order.
Buyer valueCompare pastel color bands and silk reflections on the spool and print, then approve physical samples for your order.
Useful forDistributors and OEM brands selecting a pastel silk filament range.
Factory evidenceA pastel filament spool and a glossy horse-head print are turned by hand.
Color and finishApprove a physical spool and print; define color sequence, transitions and lighting.Grade and print profileConfirm PLA+ silk grade, diameter and the profile used for the agreed sample.
View macaron colors and finish
PETG production video · October 2026
Transparent PETG Filament Production Line: OEM Sample and Order Checks
Posted
Watch transparent PETG filament winding at WJ. Review clarity samples, filament specifications, spool format and OEM packaging before requesting a quote.
Buyer valueReview the visible winding stage, then approve a physical spool and a defined sample print before ordering transparent PETG filament.
Useful forDistributors and OEM brands reviewing clear filament, samples and order specifications.
Factory evidenceClear-looking filament passes through a guide and winds onto a rotating spool.
Material and appearanceConfirm PETG grade, clear appearance reference and a physical spool plus sample print.Filament checksSpecify diameter, measurement method and order acceptance criteria.
Watch transparent PETG winding
Silk PLA printing & color guide · October 2026
Silk PLA Printing Settings & Finish: OEM Color Approval
Posted
Review WJ gold-toned print samples, PLA+ Silk TDS settings, Sea Salt Blue and pink cases, and a practical custom-color approval plan for OEM buyers.
Buyer valueCompare a printed sample, test the exact grade and approve color before a bulk order.
Useful forDistributors comparing silk finish and planning custom colors.
Factory evidenceGold-toned printed models and a filament spool; settings come from the separate WJ TDS.
Print profileConfirm the exact grade and save the evaluated printer and slicer settings.Color referenceProvide a physical sample or agreed color code; approve both filament and printed appearance.
Read guide
Factory dispatch update · October 2026
OEM Filament Container Loading: Full-Container Dispatch
Posted
See cartons and forklift activity at WJ’s container-loading area. Plan an OEM filament shipment with carton counts, a packing list and delivery details.
Buyer valueCheck the loading scene, then confirm carton counts, packing details and the dispatch plan for your order.
Useful forDistributors planning a full-container shipment.
Factory evidenceOpen container, stacked cartons and a forklift at the loading area.
Order mixConfirm material, colors, spool size and SKU quantities.Carton planAgree units per carton, dimensions, gross weight and labels.
View container loading
Factory process video · September 2026
Macaron Half-Sugar Sea Salt Blue Silk PLA+ Filament Winding Process
Posted
Watch Macaron Half-Sugar Sea Salt Blue silk PLA+ filament pass through a guide and wind onto a spool. See what OEM buyers can check before requesting a quote.
Buyer valueUse this video to review the visible guide-to-spool path, then confirm the required filament and spool specifications with WJ before ordering.
Useful forWinding-process review, sample planning and a clear order inquiry.
Factory evidencePale-blue filament passes through a guide and winds onto a rotating spool.
Material and colorConfirm the PLA+ grade, silk finish and approved Macaron Half-Sugar Sea Salt Blue physical sample.Filament checksSpecify diameter, measurement method and acceptance criteria for the order.
Watch the winding process
Silk PLA+ color showcase · September 2026
Silk PLA+ Macaron Half-Sugar Sea Salt Blue Filament Color and Print Finish Showcase
Posted
See Macaron Half-Sugar Sea Salt Blue silk PLA+ filament on a black spool beside a pale-blue print, with practical checks for color and finish approval.
Buyer valueUse the spool and print views to shortlist the Macaron Half-Sugar Sea Salt Blue direction, then approve physical samples under relevant lighting before placing an order.
Useful forNamed-color review, silk-finish comparison, physical sample approval and order specification planning.
Factory evidenceShows a pale-blue glossy filament spool from several angles beside a similarly colored vase-shaped print.
Color approvalRequest a physical spool sample and sample print, then review both under lighting relevant to the final product.Filament specificationConfirm PLA+ grade, diameter, dimensional acceptance criteria and intended printing application.
Watch color and finish showcase
PETG color update · September 2026
PETG Rainbow Pink-White Filament: OEM Custom Color Review
Posted
See pink PETG rainbow filament winding and learn how to approve a pink-white color sample, gradient and OEM order specification.
Buyer valueUse the filmed pink winding as a process reference, then approve the full pink-white gradient with a physical spool or sample print.
Useful forPink-white gradient references, PETG color sample approval and OEM order specifications.
Factory evidencePink filament winds onto a black spool; finished spools appear in a blue bin.
Gradient referenceProvide pink and white color references, color order and target transition behavior; approve a physical spool or sample print.Filament and spoolSpecify PETG grade, diameter, spool dimensions and net weight for the proposed order.
Watch the video and review color
Silk PLA+ color update · September 2026
Pink Silk PLA+ Filament Winding for OEM Custom Color Review
Posted
Watch glossy pink silk PLA+ filament winding and learn what to confirm for a custom color, spool, label and OEM packaging order.
Buyer valueUse the visible pink winding sample to start the color review, then approve a physical reference and document the full OEM specification before ordering.
Useful forColor-sample approval, spool specifications, private-label packaging and OEM custom color planning.
Factory evidenceShows glossy pink filament winding onto a black spool and a mid-video view of stacked black spools.
Color approvalSend a physical sample, color code or other agreed reference and review the silk appearance under relevant lighting.Filament specificationConfirm PLA+ grade, filament diameter, dimensional criteria and intended printing application.
Watch video and review custom color
PETG color update · September 2026
PETG Rainbow Purple-White Filament Winding for OEM Color Review
Posted
Watch purple-white PETG rainbow filament being wound and review color transitions, samples, spool specifications and OEM packaging before a bulk order.
Buyer valueReview the visible purple-to-light color change, then approve a physical spool or sample print and document the OEM specification before ordering.
Useful forGradient color review, sample approval, spool specifications and private-label PETG orders.
Factory evidenceShows pale-purple filament winding, lighter color sections and finished spools with a PETG Rainbow label.
Gradient referenceConfirm purple-white appearance, color order and expected transition length with a physical sample or sample print.Filament specificationState PETG grade, filament diameter, dimensional criteria and intended printing application.
Watch video and review color
Factory capacity update · September 2026
24/7 3D Printer Filament Production: 600+ Tons for Custom OEM Orders
Posted
See WJ’s filament production workshop and learn how 24/7 shifts, monthly capacity of 600+ tons and custom OEM planning support wholesale buyers.
Buyer valueUse the factory’s 24/7 schedule and stated capacity as planning context, then confirm the specification, sample, production slot and delivery date for your order.
Useful forCapacity planning, OEM specifications, repeat orders and private-label sourcing.
Factory evidenceShows multiple production and winding stations, filament spools, cartons and numbered workshop equipment.
Material and applicationName the requested material or performance target and confirm the available grade with WJ.Color and diameterProvide a color reference and requested diameter; agree the sample and inspection criteria.
Watch video and review capacity
Factory production · September 2026
3D Printer Filament Winding Production Lines
Posted
Watch WJ’s filament winding equipment and guide paths. Review spool, material and private-label packaging requirements for wholesale and OEM filament orders.
Buyer valueSee the winding stations behind filament production, then confirm material, spool format and packaging specifications for your OEM order.
Useful forWholesale sourcing, OEM samples, spool specifications and private-label orders.
Factory evidenceShows rows of winding stations, guide wheels, filament paths and machine controls.
Material and diameterConfirm PLA, PETG or another requested material, grade and filament diameter.Color and spoolProvide a color reference, net weight and spool dimensions; approve a sample.
Watch video and read article
Vacuum Packaging · September 2026
Vacuum-Sealed Filament Packaging for Better Storage Protection
Posted
Watch a clear bag tighten around a filament spool during a vacuum packaging cycle, then review the
packaging details buyers should confirm for storage and shipment.
Buyer value
Review how air removal and a closer-fitting bag can help reduce exposure during storage and transport.
Useful for
OEM packaging specifications, storage planning, seal review, private-label orders, and repeat orders.
Factory evidence
Shows a filament spool in a clear bag inside a vacuum packaging machine as the bag tightens.
Quote-ready details
Confirm bag material, thickness, spool size, seal checks, optional desiccant, labels, and carton protection.
Best next step
Approve the complete package and inspection requirements before vacuum packing the bulk order.
Read latest article
Inventory & Dispatch · August 2026
Large Filament Inventory Area: Palletized Cartons Ready for Container Loading
Posted
Walk through a large inventory area with packed filament cartons, wooden pallets, stretch-wrapped
loads, labels, and marked aisles before container-loading preparation.
Buyer value
Review how packed OEM filament cartons are separated, palletized, wrapped, and checked before loading.
Useful for
Export orders, packing-list verification, pallet planning, private-label dispatch, and repeat orders.
Factory evidence
Shows a large inventory area, cartons, wooden pallets, stretch-wrapped loads, labels, and clear aisles.
Quote-ready details
Confirm material, color, spool, carton, labels, counts, weights, pallet plan, destination, and trade term.
Best next step
Match every pallet with the approved order, packing list, shipping marks, and loading plan before release.
Read latest article
3 kg Machine Showcase · August 2026
3 kg Filament Production Line Machine Showcase
Posted
Walk through aligned production equipment, control panels, guide assemblies, and work aisles presented
for WJ's 3 kg filament line.
Buyer value
Use a real machine overview to prepare the 3 kg spool and OEM custom-order specification.
Useful for
Factory review, 3 kg spool planning, OEM sampling, private-label programs, and repeat orders.
Factory evidence
Shows aligned production machines, control panels, guide hardware, work aisles, a material bag, and stored cartons.
Quote-ready details
Confirm material, color, diameter, 3 kg spool dimensions, label, packaging, and expected demand.
Best next step
Confirm machine and spool compatibility, then approve a complete sample before bulk production.
Read latest article
3 kg Production Line · August 2026
New 3 kg Filament Production Line Supports OEM Custom Orders
Posted
See large-spool winding, the production area, and labeled finished spools, then review the specifications
buyers should confirm for a custom 3 kg filament order.
Buyer value
Review WJ's new 3 kg line and prepare the spool, material, color, label, and packaging specification.
Useful for
Large-spool compatibility checks, OEM sampling, private-label programs, and repeat orders.
Factory evidence
Shows large-spool winding equipment, production-floor hardware, and labeled finished spools.
Quote-ready details
Confirm material, color, diameter, 3 kg spool dimensions, label, packaging, and expected demand.
Best next step
Check equipment compatibility and approve a complete 3 kg spool sample before bulk production.
Read latest article
Packaging Warehouse · August 2026
Large OEM Filament Packaging Warehouse: Storage, Carton Sealing and Final Verification
Posted
See how a large warehouse supports OEM custom packaging storage, organized packing, carton sealing,
label checks, and final verification before dispatch.
Buyer value
See how warehouse space supports organized storage, custom packing, sealing, and order checks.
Useful for
OEM custom packaging, private-label orders, carton sealing, final verification, and dispatch planning.
Factory evidence
Shows a large warehouse with packed cartons, pallets, wrapping, labels, and separated storage areas.
Quote-ready details
Confirm material, color, spool, carton, pallet, destination, trade term, and expected demand.
Best next step
Match sealed cartons with the approved artwork, labels, quantities, packing list, and release record.
Read latest article
Raw Material Policy · August 2026
100% Virgin PLA and PETG Raw Materials: No Recycled Material Added
Posted
See white raw-material pellets, material containers, and factory feed hoppers, then review WJ's
policy of using virgin PLA, PETG, and other specified plastic raw materials without recycled material.
Buyer value
Turn a raw-material policy into clear OEM specification and supplier-confirmation points.
Useful for
Supplier screening, private-label specifications, sample approval, and repeat orders.
Factory evidence
Shows white raw-material pellets, multiple containers, stainless-steel hoppers, and the handling area.
Quote-ready details
Confirm polymer, grade, color, spool, packaging, sample, destination, and expected demand.
Best next step
Put the virgin-material requirement into the approved OEM specification before sampling.
Read latest article
Process Control · August 2026
Filament Line Routing on the Factory Floor: What OEM Buyers Should Verify Before Repeat Orders
Posted
Review parallel filament paths and guide hardware, then turn the visible line routing into
practical questions about identification, changeovers, records, and repeat orders.
Buyer value
Connect visible line routing with the process records behind a repeat OEM order.
Useful for
Supplier review, sample-to-bulk confirmation, changeover planning, and repeat orders.
Factory evidence
Shows parallel filament paths, orange guide wheels, equipment rows, and a control area.
Quote-ready details
Confirm material, color, approved sample, spool, packaging, destination, and expected demand.
Best next step
Send the approved specification so the factory can review line records and repeat-order planning.
Read latest article
Factory Overview · August 2026
Inside a Multi-Line Filament Factory: What OEM Buyers Can Learn from the Production Floor
Posted
Walk through rows of parallel production equipment, then turn the visible factory layout
into practical questions about line assignment, records, scheduling, and repeat orders.
Buyer value
Use a real factory-floor view to prepare more precise supplier evaluation questions.
Useful for
OEM supplier review, production planning, sample-to-bulk checks, and repeat orders.
Factory evidence
Shows parallel equipment rows, feed vessels, control hardware, and open work aisles.
Quote-ready details
Confirm material, color, spool, packaging, sample target, destination, and expected demand.
Best next step
Send the approved specification so the factory can review line assignment and order planning.
Read latest article
Production Quality · July 2026
Black Filament Winding: What OEM Buyers Should Check Before Bulk Orders
Posted
Review real black filament winding, then confirm material, color approval, inspection,
spool presentation, and private-label details before a bulk order.
Buyer value
Turn visible winding evidence into precise material, color, and inspection questions.
Useful for
Black filament samples, private-label programs, supplier review, and repeat bulk orders.
Factory evidence
Shows glossy black filament, spool rows, guide hardware, and the real winding area.
Quote-ready details
Confirm material, black color target, finish, spool, label, carton, sample, and monthly demand.
Best next step
Send a color reference and product specification so the factory can review the OEM request.
Read latest article
Extrusion Process · July 2026
Filament Extrusion Lines: What OEM Buyers Should Check Before Production
Posted
See material hoppers, visible controls, and multiple production stations, then use
the footage to prepare better OEM production questions.
Buyer value
Connect visible factory equipment with questions about material preparation and line setup.
Useful for
Supplier evaluation, sample-to-bulk planning, and multi-color OEM orders.
Factory evidence
Shows numbered extrusion stations, hopper controls, and routine line work.
Quote-ready details
Discuss material, color, sample target, line settings, spool, packaging, and monthly demand.
Best next step
Send the target filament specification so the factory can review production and sample needs.
Read latest article
Factory Process · July 2026
Reliable FDM Filament Starts at the Factory
Posted
See how winding stability, spool handling, and factory routines influence
downstream printing reliability.
Buyer value
Understand what a stable production line should reveal before requesting samples.
Useful for
New supplier screening, OEM packaging talks, and recurring wholesale orders.
Factory evidence
Connects the visible production routine with downstream printing reliability.
Quote-ready details
Use this post to discuss PLA, PETG, ABS, TPU, private label packaging, and repeat order needs.
Best next step
Share your market, packaging style, and destination country for a practical factory quote.
Read latest article
Production Quality · July 2026
Filament Winding Quality: What OEM Buyers Should Check Before Bulk Orders
Posted
A close look at winding stability and spool handling, with practical checkpoints
for private-label and distributor buyers.
Buyer value
Check winding density, spool edge clearance, and line stability before OEM bulk orders.
Useful for
PLA/PETG private-label quotes, sample review, and distributor quality comparison.
Factory evidence
Shows real spool handling instead of only finished product photos.
Quote-ready details
Ask us for material, color, tolerance, spool size, label, carton, MOQ, and sample timing.
Best next step
Send target material and monthly demand so we can match the right OEM filament plan.
Read article
Topic clusters
Extrusion, winding, drying, packing, and shipping videos with buyer checklists.
Diameter tolerance, winding quality, moisture control, spool handling, and inspection notes.
MOQ, material options, packaging control, color matching, and export readiness.
Track new color batches, silk and matte effects, custom colors, and how materials look on the line.
Color and material updates
Factory Journal can document new filament colors, material finishes, production status, and OEM options so buyers can compare real factory output before choosing samples or placing private-label orders.
Send the target material, color, spool size, packaging style, and monthly demand.