Contact Ultramarine Technology

Contact Ultramarine Technology | 24/7 Support & Global Logistics

 

(Get in touch for wholesale electronics, custom OEM, and after-sales support. Based in Hong Kong & Shenzhen. Response within 24 Hours.)

Our team is available Monday–Friday 09:00–17:00 GMT (except public holidays).

We reply to messages within 8 hours. If you’re requesting a return, please quote your order number and attach photos/videos/links of the item/package(You will receive a fast, professional, and effective response directly in your inbox)

 

Need help fast?

Pick the channel that fits your request. Quick Contact:

I need help with...

Best Contact Method

Response Time

Order Status / Returns

Email: sales@ultramarinetechnology.com

< 24 Hours

Wholesale / OEM Quotes

What’s App / Tel: +852 6150 3259

< 12 Hours

General Inquiry / PR

Email: sales@ultramarinetechnology.com

< 24 Hours

Urgent Live Chat

Shopify Inbox / Website Chat

Mon-Fri, 9AM-5PM GMT

⚠️ Important: Please include your Order Number and Photos/Videos for faster resolution.

 

Business Identity & Locations:

Hong Kong Headquarters (Registration & Finance)

Entity: ULTRAMARINE TECHNOLOGY CO., LIMITED (群青科技有限公司)

BRN: 59803663

Address: Flat 2, 3/F, Ruby Commercial Building, 480 Nathan Road, Kowloon, Hong Kong SAR

Tel: +852 6150 3259

Shenzhen Operations (Warehouse, QC & Production)

Entity:  Shenzhen Ultramarine Technology Co., Ltd (深圳市群青科技有限公司)

USCC: 91440300578811854R

Address: B106, Saige Kejiyuan, Futian District, Huaqiang North Area, Shenzhen, Guangdong, China

Tel: + 86 13528790910

 

Social / Channel:

What’s App : +852 6150 3259

YouTube: @ultramarinetechnology

Instagram: @ultramarinetechnology