Frequently Asked Questions

1. Are you a real factory for outdoor solar & AC LED lighting?

Yes. GCOTS is an outdoor lighting solution provider with in‑house manufacturing capacity. We operate our own workshops for solar street lights, AC street lights and flood lights, covering assembly, aging testing and strict quality inspection.

2. What certifications do your lighting products hold?

Our products are certified with ISO, CE, ROHS, SGS and other third‑party standards. We can provide certification documents to support your tender and project bidding.

3. What is your standard production lead time?

Standard orders take 15‑30 working days. For large‑scale municipal projects, we can adjust production schedules to match your project timeline.

4. Do you perform full‑range quality testing before shipment?

Every batch goes through aging test, performance test and visual inspection before delivery, ensuring reliable performance for global outdoor projects.

5. Can I arrange a factory audit or site visit?

Factory visits are warmly welcome. Please contact our sales team to schedule a factory tour and production‑line inspection in Foshan, China.

6. Can you provide complete outdoor lighting solutions, not just lamps?

Yes. Besides lighting hardware supply, we deliver one‑stop outdoor lighting solutions for municipal roads, industrial parks, commercial plazas, scenic spots and residential communities. Services include lighting layout advice, product matching, project‑

specific customization, technical guidance and after‑sales support.

7. Can you supply DIALux lighting simulation reports for my project?

For project orders, our engineering team can provide DIALux simulation reports to verify illuminance, uniformity and energy‑saving performance for road lighting, flood lighting and large‑scale outdoor sites. Please send us your project drawings and 

requirements.

8. Do you support project‑oriented customization?

We offer full project‑tailored customization: power output, color temperature, beam angle, solar system configuration, smart control functions and housing design, to meet local standards and site conditions.

9. What details do you need to prepare a formal lighting solution proposal?

Please share project type, site size, target illuminance, local climate, solar‑power or AC‑power preference and project scale. Our team will return a suitable proposal within 24‑48 working hours.

10. What after‑sales technical support can I get?

We provide installation manuals, remote technical guidance and spare‑part support, helping contractors and buyers execute projects smoothly.

11. Do you support OEM & ODM services?

Yes. We support OEM & ODM including logo printing, customized packaging and product modification, suitable for distributors and project partners.

12. What is the service life of your solar lighting battery?

Our lithium‑ion batteries support over 2000 charge‑discharge cycles. Actual service life depends on local sunshine conditions and operating environment.

13. How do I send an inquiry, place an order and get samples for my project?

You can send us messages via "Consult Now" on homepage, "SEND INQUIRY NOW" at website footer, "Inquiry" button on product detail pages, or "Get in touch with us" on contact‑us page. We check messages daily and will get back to you promptly. 

Sample orders are available for performance verification. After you confirm sample performance, we will start mass production for your project. We guarantee that the quality of every delivered product will not be lower than the approved sample.