Support Center
How Can We Help You Today?
Find answers, request samples, access business resources and connect with the right Yes.sister team for product, order, quality or partnership support.
01 / Browse Help Topics
Find what you need faster.
Select a topic below to jump directly to the most relevant answers, guidance and next steps.
Orders & Shipping
Order process, delivery timelines, shipping terms and after-sales support.
View FAQs SamplesSamples
Sample requests, sample timing, custom samples and sample preparation.
View FAQs ProductsProduct Information
Materials, care instructions, product categories and specifications.
View FAQs BusinessBusiness Support
Wholesale, OEM/ODM, retail partnership and corporate gift questions.
View FAQs QualityQuality & Certifications
Testing, safety, compliance, inspections and documentation support.
View FAQs ResourcesDownloads & Resources
Request company profile, catalogue, brand book and certification documents.
Request Resources After-salesReturns & After-sales
Defects, shipment damage, replacements, return review and support requests.
Contact Support WorkshopWorkshops & Visits
DIY workshops, showroom visits, factory visits and creative event support.
Contact Team02 / Frequently Asked Questions
Quick answers before you contact us.
Choose a category to find the answer you need. If your question is project-specific, send us a support request below.
Products
What materials are used in Yes.sister products?
Are your products suitable for children and babies?
Can products be customized with our brand or design?
How should handmade products be cared for?
Do you offer seasonal or limited-edition collections?
Samples
How do I request a product sample?
Is there a cost for samples?
How long does sample preparation take?
Can I request custom samples with my branding?
How many samples should I request at one time?
Orders
What is the minimum order quantity?
What payment methods do you accept?
How long does production take?
Can I modify or cancel an order after confirmation?
What if there is a quality issue after delivery?
Shipping
Which countries do you ship to?
What shipping methods are available?
How do I track my shipment?
Who handles customs and import duties?
What if my order arrives damaged?
Business
How do I become a wholesale partner?
What OEM and ODM services do you offer?
Do you offer corporate gifting solutions?
Can I become a regional distributor or exclusive partner?
Do you support creative workshops and community programs?
Quality
What certifications can you support?
How do you ensure consistent product quality?
Can I request pre-shipment inspection?
Are materials ethically sourced and responsible?
Where can I request certification documents?
03 / Resources
Useful documents for business partners.
These materials can help you understand our brand, product universe, quality system and cooperation process. Final files should be provided to verified partners.
Company Profile
Brand overview, product categories, capabilities and partnership direction.
About Yes.sisterProduct Catalogue
Product universe, collection directions, specifications and development options.
Explore Product UniverseBrand Book
Visual identity, brand principles, tone, creative direction and communication style.
Our PhilosophyCertification Guide
Compliance overview, certification directions and market documentation support.
View CertificationsProduct Care Guide
Care, cleaning and usage guidance for handmade product categories.
Request Care GuideWorkshop Guide
Workshop planning, DIY kit support and creative event cooperation information.
Explore Workshops04 / Support Journey
How we support you.
A clear process helps every question reach the right person and move toward a practical answer.
Ask
Submit your question, project details or support request through the right channel.
Review
Our team reviews your inquiry and routes it to the most relevant specialist.
Respond
We reply with clear information, suggested next steps or questions for clarification.
Resolve
We work with you to solve the issue, confirm details or move the project forward.
Follow Up
For business and quality-related cases, we continue communication until the outcome is clear.
05 / Need Personal Assistance?
Talk to the right team.
Every inquiry is different. Choose the contact direction that best matches your question.
General Support
Product questions, order issues, returns, after-sales and general assistance.
support@yessisterco.comWholesale & Sales
Wholesale inquiries, pricing, MOQ, sample requests and business orders.
business@yessisterco.comPartnerships & OEM
OEM/ODM development, distribution, retail partnership and corporate gifts.
business@yessisterco.comPress & Media
Press inquiries, brand assets, interviews and editorial collaborations.
hello@yessisterco.comCreative Workshops
Workshop bookings, DIY kit supply, event programs and community making sessions.
hello@yessisterco.comCommunity & Creators
Creator collaborations, community programs and social media partnerships.
hello@yessisterco.com06 / Support Request
Send us a message.
Fill in the form and the right team will follow up. For business inquiries, please include your company, product interest, target market, quantity and timeline.
Business inquiries receive priority routing
General support replies within 1–2 business days
Your information is handled confidentially
Contact Support
Send your request through our Contact page.
Include your name, company, order or product reference, issue description, photos or file links, and the outcome you need.
- Order number or product reference
- Clear description of the question or issue
- Photos, videos or document links when relevant
- Required timeline and preferred resolution
Most inquiries receive an initial reply within 1–2 business days.
Still Have Questions?
We are always here to help.
Every question matters. Every experience should feel clear, simple and cared for — from first inquiry to final resolution.