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faq

Frequently Asked Questions

Q1: Do you provide custom design services for ventilation fans?

A1: Yes, we have a strong R&D team that supports full customization—from exterior design and motor performance to structural parameters—to meet the ventilation requirements of specific projects.

Q2: What international quality certifications do your products have?

A2: Our products comply with major international standards, including CE, UKCA,RoHS, SAA, and other regional safety certifications, ensuring compliant sales in the global market.

Q3: What are the main noise-reduction technologies used in SEICOI fans?

A3: We utilize fluid dynamics-optimized blade designs, combined with high-precision balance calibration and vibration-dampening motor mounts, to control operating noise to industry-leading low decibel levels while maintaining high airflow.

Q4: What is the Minimum Order Quantity (MOQ) for bulk purchases?

A4: For standard models, the MOQ is 500 units; for customized products, the quantity is determined through negotiation based on R&D investment and material supply conditions.

Q5: How long is your typical production lead time?

A5: The standard production lead time is 30-45 days. The specific duration depends on the order quantity, customization requirements, and raw material procurement cycles.

Q6: How do SEICOI ventilation products improve energy efficiency?

A6: We use high-efficiency motors and variable frequency technology, combined with optimized duct design, to significantly reduce energy consumption in accordance with modern green energy standards for HVAC systems.

Q7: Do you offer after-sales warranty services?

A7: All factory-shipped products come with a 1 to 3-year quality warranty. Within the warranty period, we provide parts replacement or technical support for the entire unit.

Q8: How do I choose the right fan specifications for my project?

A8: Please provide the room area, ceiling height, and application environment (such as a humid bathroom or a kitchen with high grease). Our technical team will calculate the air exchange rate and recommend the best model for you.

Q9: Do you support Private Label (OEM/ODM) manufacturing?

A9: Yes. We provide mature OEM/ODM services for many well-known global HVAC brands, including packaging customization, logo laser printing or silk-screening, and manual localization.

Q10: What are your shipping packaging standards?

A10: We use high-strength double-walled corrugated cardboard boxes with internal EPS cushioning materials to ensure that the equipment does not deform or suffer damage during sea freight or long-distance transportation.