Answers Before You Reach Out

VST Lighting can support finished LED lighting products, OEM LED modules, and LED-related components. Finished lighting includes LED strips, tubes, panels, downlights, track lights, linear lights, high bay lights, flood lights, tri-proof lights, corn lights, and more. We can also support selected standard components and customized accessories for LED production.

Yes. You can share the application, installation environment, voltage, quantity, target market, and required specifications. VST will help evaluate whether a standard product, light customization, or deeper custom development is more suitable.

No. VST supports standard product selection, light customization based on existing models, and deeper custom development when standard products cannot meet the requirement.

Please send product type, quantity, specifications, target market, application environment, voltage, CCT, IP rating, drawings or photos if available, and any customization needs. More complete information helps reduce quotation revisions.

Yes. For repeat orders, confirmed specifications, materials, packaging, and supply requirements should be clearly recorded. This helps reduce inconsistency and supports smoother future procurement.

Possible customization includes size, length, voltage, wattage, CCT, CRI, beam angle, dimming method, connectors, wire length, mounting method, IP rating, housing, packaging, and labeling. The available customization depends on the product type and requirement.

For OEM LED modules, VST can support customization of module size, structure, fixing method, connector, wiring direction, wire length, brightness, CCT, heat dissipation, housing, and assembly requirements.

Yes. You can send drawings, product photos, available installation space, wiring requirements, and target lighting effect. VST will evaluate whether an existing module can be modified or whether deeper custom development is needed.

VST reviews the application, technical requirement, structure, installation condition, quantity, and customization complexity. If a standard product is enough, we do not recommend unnecessary custom development.

Yes. VST can support customized housings, connectors, wires, lenses, aluminum profiles, plastic parts, metal parts, and related supporting accessories, depending on drawing, sample, material, quantity, and tooling requirements.

MOQ depends on product type, customization level, material availability, production process, and packaging requirement. Standard products usually have lower MOQ than fully customized products.

Yes. Samples are recommended when product fit, lighting effect, wiring, connector, mounting method, or application suitability needs confirmation before bulk order.

Sample cost depends on the product type, customization level, quantity, and whether tooling or special materials are required. For custom samples, sample fees may be needed before development. We can discuss to refund sample charges once the repeat orders reach some threshold.

You should confirm dimensions, lighting effect, CCT, brightness, wiring, connector, mounting method, material, packaging, and any critical compatibility details. These points should be locked before production.

VST uses confirmed specifications, approved samples, and clear production requirements as references before bulk production. Any important change should be reviewed before production starts.

Lead time depends on product type, order quantity, customization level, sample approval, material availability, and production schedule. Standard products are usually faster than modified or fully customized products. Standard products normally needs 3~7 days for samples and 15~35 days for mass production. Light customization products take 7~14 days for first samples, then 15~20 days for mass production. Deep customization products take 3~6 weeks for first samples, then 20~40 days for repeat orders.

The main factors are requirement clarity, sample confirmation speed, material readiness, tooling needs, production complexity, quantity, and documentation requirements.

VST can evaluate urgent requirements based on product availability, customization level, quantity, and current production schedule. It is best to share your required delivery date at the beginning.

Usually yes, especially when new tooling, special materials, sample adjustment, or additional confirmation is required. Light customization is usually faster than deeper custom development.

For project or OEM development, it is better to contact VST before final confirmation of installation or product structure. Early communication helps avoid last-minute specification mismatch and schedule pressure.

Available certification support depends on the product type, target market, and customization level. VST can provide available compliance documents and product information for evaluation. When specific certification is required, VST can also cooperate with customers by preparing samples, specifications, drawings, and related technical information to support the certification process.

No. Certification status varies by product model, driver, component, market, and customization level. Buyers should confirm certification needs before ordering.

Not always. Changes to driver, structure, wiring, housing, power, or materials may affect certification or compliance status. Certification requirements should be reviewed before customization.

For Europe, buyers often check CE, RoHS, and related compliance requirements. For North America, buyers may ask about UL, ETL, DLC, or other project-specific requirements. The exact need depends on product type and application.

VST can provide available product documents, datasheets, and compliance-related files based on the selected product and requirement. Please confirm documentation needs early.

Depending on the product, VST may provide datasheets, product specifications, testing reports, drawings, photos, installation information, packaging details, and available compliance documents.

Yes. For customized products, VST can provide 2D drawings or 3D CAD files such as .stp files when needed. This helps customers review structure, dimensions, assembly fit, and approval details before production.

VST can provide available product information to support project evaluation, supplier review, and internal approval. Required documents should be confirmed before quotation.

Available test reports depend on product type and existing documentation. If specific testing is required, it should be discussed before order confirmation.

Documentation may affect project approval, certification evaluation, customs clearance, installation preparation, and internal procurement decisions. Late document requests can delay project progress.

For sample fees, we can accept bank T/T, PayPal, Western Union, or Alipay for 100% payment in advance. For bulk orders, we usually accept bank T/T, 30% deposit and 70% balance before shipment. Payment details will be confirmed before order processing.

Yes, customized products, samples, tooling, or special material preparation require deposit before development or production starts as it's only for a specific project.

Yes, payment terms may be discussed based on order value, cooperation history, product type, and risk level. Final terms should be confirmed before order placement.

Custom products may involve dedicated materials, tooling, engineering work, and production preparation that cannot easily be reused for other customers. Clear payment terms help protect both sides.

A formal quotation can be prepared after VST receives enough information about product type, quantity, specifications, customization scope, target market, and delivery requirements.

Yes. Packaging can be adjusted based on product type, quantity, project grouping, labeling requirement, shipping method, and customer branding needs.

You should confirm unit packaging, carton packing, labeling, product grouping, protection requirement, shipping marks, and whether accessories need to be packed together.

Yes. For project orders, packaging can be arranged to support installation grouping, product identification, batch tracking, or site delivery needs where applicable.

Neutral packaging and customized packaging can be discussed based on order quantity, design requirement, product type, and packaging cost.

Proper packaging helps reduce transportation damage, installation confusion, missing accessories, and warehouse handling issues. For project orders, clear packaging can improve site efficiency.

Please provide order information, product photos or videos, issue description, quantity affected, installation condition, and testing results if available. This helps VST evaluate the issue more efficiently.

VST first reviews the issue based on specifications, order records, photos, videos, and application conditions. If it is confirmed as VST’s product quality issue, we will provide free replacements and cover shipping, either immediately or with the next shipment. If the issue is caused by incorrect use or installation, replacement products need to be purchased, and VST may offer a reasonable discount.

Yes. VST can support replacement parts and repeat supply for confirmed products, modules, or components. Please provide the original order number, product model, photos, drawings, or approved sample reference so we can match the previous specifications. If any material, structure, or supply condition changes, we will review it with you before confirmation.

VST can help review basic information such as wiring, voltage, driver, installation environment, IP requirement, heat condition, and product matching. Some issues may require local electrician or project engineer verification.

Confirm specifications, samples, installation conditions, wiring, packaging, documentation, and application environment before production. Most after-sales problems are caused by unclear requirements or mismatch before ordering.