Frequently Asked Questions (FAQ)

Orders & Shopping

Q1: What products do you offer? How can I find them quickly?

A: Visit our Products Catalog. Use filters (category / model / material / price / application) and the search bar. Check scenario recommendations or contact support for guidance.

Q2: How do I place an order?

A: On the product page select specification / color / quantity → click “Add to Cart” or “Buy Now” → fill shipping address and contact info → choose payment method → submit. You will receive an order confirmation by email/SMS.

Q3: Do you support offline inquiries or custom quotations?

A: Yes. For bulk or custom orders, complete our quotation form or email postmaster@cff88.com with quantity, lead time, functional needs, and any logo/packaging customization.

Q4: Do you provide product selection advice?

A: We provide comparison tables and common scenario recommendations on product pages. For help, contact technical support at postmaster@cff88.com (WeChat: 【】) with your use case and budget.

Payments & Invoices

Q5: What payment methods are supported?

A: We support 【Visa/MasterCard/Amex/UnionPay/PayPal/Alipay/WeChat Pay】 (keep only the methods you actually support). Business customers may use bank transfer and prepayment/final payment.

Q6: Are prices tax-inclusive? Can I get an invoice?

A: Prices are 【tax-inclusive / tax-exclusive】 as shown at checkout. We can issue 【VAT ordinary / special】 invoices. Provide invoice title and tax number during checkout or email postmaster@cff88.com.

Q7: My payment failed—what should I do?

A: Check card limit, 3D verification, and network. Try another method or contact your bank. You can also send us your order number for assistance.

Shipping & Delivery

Q8: Where do you ship from? How long does delivery take?

A: We ship from 【warehouse location e.g., Shenzhen / Guangzhou / Overseas warehouse】. In-stock items ship within 【24–48 hours】. Custom/pre-order items follow the lead time on product pages.

Mainland China: 【1–5】 business days

Hong Kong / Macau / Taiwan / International: 【5–12】 business days (excluding customs clearance)

Q9: How is shipping cost calculated?

A: Calculated at checkout based on weight/volume/destination. Free shipping above 【¥】 (if applicable). Oversized items may incur extra charges.

Q10: How do I track my shipment?

A: You will receive a tracking number after dispatch. You can also check status under “My Orders.” If marked delivered but not received, contact us within 【48 hours】.

Q11: Do I need to handle customs for international orders?

A: Our carriers usually handle customs. If recipient info (ID number, tax code, purpose) is needed, we will notify you. Duties/taxes depend on local regulations.

Returns & Warranty

Q12: What is your return policy?

A: Returns accepted within 【7/15/30】 days (per your policy). Items must be unused, complete with accessories, and in original packaging. For non-quality returns, the buyer pays return shipping.

Q13: My item arrived damaged or missing parts—what now?

A: Please send photos/videos within 【48 hours】 of receipt and contact support. We will arrange replacement, repair, or refund.

Q14: How long is the warranty and what does it cover?

A: 【12/24】 months from invoice or delivery date. Covers non-human faults. Damage due to misuse, modification, liquid intrusion, or unauthorized repair is not covered.

Q15: How long do refunds take?

A: Processed within 【3–7】 business days after returned goods pass inspection. Bank processing times may vary.

Products & Technical

Q16: How do I choose the right model/spec?

A: Refer to parameter tables and compatibility info on product pages. For power/load/interface/compatibility questions, send your requirements to our engineers for selection advice.

Q17: Do you provide manuals, drivers, or firmware?

A: Yes. Visit our Download Center for manuals, drivers, firmware, and installation videos.

Q18: Are your products certified?

A: Certifications such as 【CE / RoHS / FCC / UL / CCC】 are listed on product pages. Official certificates available upon request.

Q19: Do you offer samples?

A: Some products support sample/demo orders. Contact sales with intended use and estimated volume.

Q20: Do you support API or system integration?

A: For API/SDK/serial/protocol needs, contact technical support for interface docs and sample code (if available).

Account & Privacy

Q21: How do I register? What if I forget my password?

A: Click “Login/Register” → enter email/phone → verify → complete registration. Use “Forgot Password” to reset.

Q22: Can I change my order or address after placing it?

A: Before shipment, contact customer service for modifications. After shipment, refuse delivery or use the return process.

Q23: How is my data protected?

A: See our Privacy Policy. Manage marketing subscription preferences in your account.

Discounts & Membership

Q24: How do I use a discount code?

A: Enter your promo code at checkout and click “Apply.” If invalid, check expiry, minimum spend, or product restrictions.

Q25: Do you have a membership or loyalty program?

A: 【Yes/No】. If yes, describe tiers, how to earn points, and benefits (free shipping, exclusive discounts, VIP support).

Wholesale / Custom / Partnership

Q26: Do you support OEM/ODM? What is the process?

A: Yes. Process: requirements discussion → solution & quotation → sample & confirmation → contract & payment → production & QC → delivery & aftersales. Prepare design files, parameters, logo, packaging, timeline, and target price.

Contact Us

Customer Service: postmaster@cff88.com

Sales: postmaster@cff88.com

Phone/ WhatsApp: 【+86 15157017666】

Service Hours: Weekdays 【09:00–18:00】 (GMT+8)

Didn’t find what you need? Use the chat widget (bottom right) or submit a support ticket. Average first response within 【4 hours】.