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- Contact: Layla
- Telephone: +86 135 9032 9742
- WhatsApp: +86 135 9032 9742
- E-mail:layla@rainbowdo.com
- No. 2, Dongwangyang Industry, Huangtian Community, Hangcheng Street, Bao'an District, Shenzhen, Guangdong, China
Factory Capability & Production Capacity
What is your monthly production capacity for red light therapy products?
Our monthly production capacity reaches up to 1,000,000+ units, depending on product type and configuration.
How many production lines and automated systems do you operate?
We operate 5 standardized production lines and automated SMT, injection molding, and assembly systems to ensure efficiency and consistency.
Can you handle large-volume orders consistently?
Yes. Our factory scaling, production planning system, and long-term component partnerships allow us to support stable, repeat mass orders.
Do you have backup plans to prevent production delays?
Yes. We maintain safety stock of critical components, dual-line switching capability, and flexible scheduling to avoid interruptions.
OEM & ODM Customization
Do you provide OEM/ODM services including product design, packaging, and private labeling?
Yes. We offer full turnkey OEM/ODM services, including industrial design, structural engineering, packaging, private labeling, and brand customization.
Can you develop customized product specifications such as size, wavelength, or power output?
Yes. We can customize wavelength ranges, LED layout, optical output, size, materials, colors, and accessories according to your requirements.
What is the typical R&D lead time for a new custom product?
Generally 25–60 days, depending on design complexity and mold development.
Product Quality Control
What quality control procedures are implemented during production?
We follow full-process QC, including incoming inspection, SMT testing, lens & LED alignment checks, assembly inspection, aging test, and final performance verification.
Do you provide batch testing reports before shipment?
Yes. We provide QC reports, performance test data, and compliance documentation upon request.
How do you handle product defects or quality issues after delivery?
We offer warranty support, root cause analysis, replacement solutions, and continuous improvement follow-up.
Certifications & Regulatory Compliance
Which international certifications do your products hold?
Our products can meet CE, FCC, RoHS, FDA 510K, TGA, KC, and other global compliance requirements.
Are your production processes compliant with ISO standards?
Yes. Our quality system complies with ISO9001, ISO14001, ISO45001, and ISO13485 (medical device quality system).
Can you provide documentation for regulatory approval in different countries?
Yes. We can provide test reports, safety data, compliance certificates, and registration support as needed.
Pricing & Minimum Order Quantity (MOQ)
What is the minimum order quantity (MOQ) for OEM/ODM products?
Standard MOQ typically starts at 500 units, depending on the model.
Can you provide tiered pricing based on order volume?
Yes. We offer volume-based pricing to support distributors and brand partners.
Are there additional costs for customization?
Custom design, mold development, and specialized packaging may involve additional setup fees, which will be quoted transparently in advance.
Logistics & Delivery
What is the average lead time from order to shipment?
Standard lead time is typically 15–35 days, depending on order volume and customization level.
Can you arrange international shipping and provide freight estimates?
Yes. We arrange air, sea, rail, or courier shipping and can provide freight options and cost estimates.
Do you offer shipment tracking?
Yes. We provide real-time tracking and logistics updates for all global deliveries.
After-Sales Support & Warranty
Do you provide technical support or training for product use?
Yes. We offer user guides, training materials, and remote support for distributors and partners.
What is your warranty policy for OEM/ODM products?
Standard warranty is 12 months, with extended warranty options available for long-term contracts.
How quickly do you respond to after-sales inquiries?
We respond within 24 hours on business days and provide clear resolution timelines.
Product Innovation & Development
How frequently do you release new products?
We launch updated or new product solutions every 3–6 months, based on market trends and R&D progress.
Can you collaborate on new design ideas?
Yes. We work with brands and distributors to co-develop exclusive product lines.
Do you have dedicated R&D teams?
Yes. Our 31-engineer R&D department specializes in optics, electronics, software, materials, and industrial design.
Customer References & Reputation
Can you provide references or case studies?
Yes. We can share successful case studies upon establishing cooperation intent.
Have you worked with international wellness / beauty brands?
Yes. We supply North America, Europe, and Australia’s leading distributors, beauty chains, and wellness brands.
How do you ensure long-term client satisfaction?
Through consistent quality, clear communication, reliable delivery, and continuous product optimization.
Production Flexibility & Customization
Can you handle small batch prototyping?
Yes. We support low-volume sample production before scaling to mass manufacturing.
Can production schedules be adjusted for urgent projects?
Yes. We offer priority scheduling for time-sensitive orders.
How flexible are you with customization requests?
Highly flexible — from wavelength & performance specs to structure, materials, colors, packaging, and branding.