Service Center  Service Center

GEFFEN is on the cutting edge of IT trend, with our mature experience, capability and RD resource, we can serve our customers for OEM even ODM project. Integrated our factory & sub-contractors, we could bring your ideas to manufacture it into viable IT related products.


Our Delivery
www.gf8848.com has built up solid partnership with all big four shipping companies: DHL, UPS, FEDEX and TNT to provide professional worldwide door-to-door delivery.


Delivery Time
Items will be shipped out in 3-5 business days after you have checked out. In general, it may take about 5-7 business days for delivery, depending on the different delivery means you select. We are not responsible for wrong or undeliverable address. Please make sure your shipping address is correct and deliverable.



What will I be charged for shipping?
Shipping and handling charges vary greatly depending upon the value of the materials and craftsmanship of the piece and its final shipment destination. The shipping and handling rates are clearly posted in each item’s description and are non-negotiable. Please consider this when placing your order.



How long will it take for my item to reach me?
Please note that business days, excluding Saturday, Sunday and Public Holidays, are calculated in terms of delivery period. In general, it takes about 5-7 business days for delivery.



About Import Tax
I hope you know that import duty is paid on imported goods in most countries. Our all quote and price don't include your import tax. As to specific rates, please consult your local customs office. I appreciate your understanding!



Return Policy
1. Warranty: 1 year (excluding accessories)
2. Products with quality-related issues may be returned for a refund or exchange by contacting Customer Service within 30 days of receiving your order, we will give you a full refund or exchange, we will bear the return and exchange freight. Please be ready to provide photographs clearly showing the problem with the item and its courier number as soon as possible, which are used for our Customer Service to record and check.
3. During the warranty period, if the equipment is damaged due to human reasons for replacement, you shall bear the cost of replacement freight, repair or replacement of new parts.



Return process
1. Contact customer service within the required time of different items. Please include an explanation and photo stating the reason for the return, which is necessary for the customer service group to check and record.
2. Once your request has been approved, please send the item back to us as soon as possible. Please send us your tracking number when you return your item. The items received are returned undamaged with the original packing and accessories.
3. It take 24 hours for us to confirm that the product has the problems you mentioned after we receive the items. Once confirmed, we will process the refund or resend you a new item within 48 hours.



Please note
1. We reserve the right not to process the refund if they are returned in unacceptable condition.
2. Any purchase on www.gf8848.com indicates that you have read, understood and agreed with the our return Policy stated above.


GEFFEN is specialized in processinghigh definition video signals for years. wehave developed and produced a series ofpro video devices, including signalconverter, multi-viewer, optical fiberconverter, signal distribution amplifiersignal generator and matrix switcher, etc.
:Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong,China
+86 13928186280(Same WeChat/Whatsapp account)
:+86 20-34702140
ADD:Building 3, Baizhong Creative Park, Xinqiao Section, Shilian Road, Panyu District, Guangzhou City   TEL:020-34702140
Geffen Maxtrix Control System Manufactory CN All Rights Reserved 粤ICP备2021023507号