Customer Service & Support Center

Quick Help Directory

Before you contact us, find instant answers below:

 

FAQ Order & Shipping (Most Common)

Where is my order?

---Track via https://www.17track.net/en using the number in your dispatch email.

Shipping Time?

---We offer 4 tiers (Express 4-6 days, Priority 5-7 days, Standard 5-10 days, Economy 10-25 days). See our Shipping Policy.

Processing Time?

---Orders ship within 24-48 hours. You'll get a tracking email once dispatched.

DDP/Duties?

---For most destinations, taxes are calculated at checkout. No surprise fees on delivery.

Returns & Warranty

30-Day Guarantee: Return for refund/replacement within 30 days if defective or unused (resalable condition).

Defective Items: We cover return shipping + full refund or free

Wrong Model/Change of Mind: 20% restocking fee applies. Customer covers return shipping.

Warranty: 30-day limited warranty against manufacturing defects. See Warranty Guidelines.

 

Wholesale & OEM

MOQ: As low as 50 units for select SKUs. Custom OEM MOQ varies by product.

Customization: We support logo printing, packaging, color/material changes, and firmware tuning.

Quotes: Email: sales@ultramarinetechnology.com with your requirements for a fast response.

Sampling: Samples available (cost + shipping). Deducted from bulk order if MOQ met.

 

Contact Channels

Choose the fastest way to reach us:

Need Help With...

Best Channel

Response Time

Order Status / Returns

Email: sales@ultramarinetechnology.com

< 24 Hours

Wholesale / OEM Quotes

WhatsApp: +852 61503259

< 12 Hours

Urgent Live Chat

Shopify Inbox / Website Chat

Mon-Fri, 9AM-5PM GMT

Important: Include your Order Number and Photos/Videos for faster resolution.

 

Global Support Hubs

We provide localized support across key markets:

Region

Contact Point

Address (Returns/Logistics)

Hong Kong (HQ)

+852 6150 3259

Room 2, 3/F, Ruby Commercial Building, 480 Nathan Road, Kowloon

Shenzhen (Ops)

+86 135 2879 0910

Huaqiang North, Futian District

Australia

Shopify Inbox

PO Box 6014, Chullora, NSW 1405

USA

Shopify Inbox

17256 S Main St, Gardena, CA 90248

UK

Shopify Inbox

59 crew, Cou-pent, Van 81, Drop 56, C-round 734

 

Service Commitment

We stand behind every product and partnership:

2-Day Resolution: Most inquiries resolved within 2 business days

Transparent Process: No hidden fees, clear RMA instructions

Secure Handling: All returns tracked and insured

B2B Focus: Dedicated support for distributors and influencers

 

Still Need Help?

[Send Us a Message] [Get a Wholesale Quote] [Track My Order]