Terms of Purchase

Last Updated: October 24, 2026

Thank you for shopping with Oqenv.

Oqenv is owned and operated by Hangzhou Silicon-Based Firefly Technology Co., Ltd.

Hangzhou Silicon-Based Firefly Technology Co., Ltd. is the legal company responsible for managing purchases through our online store, including product sales, order processing, payment coordination, shipping, customer support, returns, refunds, and related after-sales services.

These Terms of Purchase explain the conditions that apply when you place an order through our website. Please review them together with our Terms of Service, Shipping Policy, and Return & Refund Policy before completing checkout. Our Privacy Policy explains how we handle personal information.

1. Placing an Order

When placing an order, please provide accurate, complete, and current information.

Before submitting payment, please review:

• The product description and specifications.

• Selected quantities, sizes, colors, and other available options.

• Your contact and shipping information.

• Your payment information.

• The total purchase price, including applicable shipping charges and taxes collected at checkout.

By submitting an order, you confirm that you are authorized to use the selected payment method and are legally able to make the purchase or have appropriate authorization.

2. Order Confirmation and Acceptance

After submitting your order, you will receive an order confirmation email.

This email acknowledges receipt of your order request. It does not, by itself, confirm final acceptance or dispatch.

Order acceptance occurs when we send a shipping confirmation for the applicable items.

Before acceptance, we may decline or cancel an order for reasonable reasons, including:

• Unavailable inventory.

• A material pricing or product information error.

• Payment failure.

• Reasonable concerns about fraud or unauthorized payment.

• Incomplete or invalid delivery information that cannot be resolved.

We will notify you if we cannot accept your order.

We will not require you to accept a higher price or substitute product without your agreement.

If payment has already been collected for a canceled order, we will refund the amount paid for the canceled items and any applicable shipping charges to your original payment method within 5–10 business days after cancellation confirmation.

3. Product Information

We make reasonable efforts to provide accurate product descriptions, images, specifications, prices, and availability information.

Minor visual differences may occur because of lighting conditions, screen settings, or normal manufacturing variations.

These differences do not excuse supplying a defective, incorrect, or materially misdescribed product.

If a product you receive is materially different from its description, please contact us for assistance under our Return & Refund Policy.

4. Pricing and Payment

Product prices and shipping charges are displayed in USD, unless otherwise clearly indicated.

Available payment methods and the total payable amount are displayed at checkout before payment.

Price changes apply to future purchases and do not authorize an increase to the price of an accepted order without your agreement.

Please provide valid billing information and use a payment method you are authorized to use.

Order processing generally begins after payment confirmation.

If you suspect an incorrect or duplicate charge, please contact service@oqenv.com so we can review the transaction.

5. Order Processing

Orders are generally processed within 1–5 business days after payment confirmation.

Processing includes order review, preparation, packing, and fulfillment coordination before dispatch.

This processing period is separate from the estimated shipping transit time.

Business days exclude weekends and applicable public holidays.

If we cannot dispatch your order within the stated processing period, we will notify you, explain the expected delay, and provide available options, including cancellation and a refund if you do not wish to wait.

6. Order Changes and Cancellations

To request an order change or cancellation, please contact service@oqenv.com as soon as possible.

Include your order number, checkout email address, and details of your request.

We will check whether your order can still be modified or canceled before dispatch.

Changes and cancellations cannot be guaranteed once fulfillment preparation has begun.

If we successfully cancel an order before dispatch:

• No cancellation fee will be charged.

• The full amount paid, including any original shipping charge, will be refunded.

• The refund will be issued to the original payment method within 5–10 business days after cancellation confirmation.

If your order has already shipped, please follow the applicable return procedures outlined in our Return & Refund Policy after delivery.

7. Shipping and Delivery

We currently ship to the United States.

Our standard shipping options are:

Free Standard Shipping

• Order Subtotal: $39.00 USD or more.

• Shipping Cost: Free ($0.00 USD).

• Estimated Transit Time: 10–15 business days after dispatch.

Standard Shipping

• Order Subtotal: Less than $39.00 USD.

• Shipping Cost: $5.99 USD.

• Estimated Transit Time: 10–15 business days after dispatch.

The applicable shipping charge and final order total will be displayed at checkout before payment.

The estimated shipping transit time excludes the 1–5 business day order processing period.

The combined estimated processing and transit period is generally 11–20 business days after payment confirmation.

Orders may be fulfilled through our own facilities or third-party fulfillment partners.

The dispatch location may differ from our registered business address, and delivery to the United States does not necessarily mean dispatch from a warehouse located in the United States.

After dispatch, we will send a shipping confirmation email containing tracking information.

Delivery estimates may be affected by carrier disruptions, severe weather, public holidays, customs processing where applicable, or local delivery conditions.

Please review our Shipping Policy for complete shipping information.

8. Delivery Problems and Missing Items

If your shipment is delayed, tracking information has not updated for an extended period, or your package appears to be lost, please contact service@oqenv.com with your order number and available tracking details.

We will review the shipment and coordinate with the carrier or fulfillment partner where appropriate.

If a package is confirmed lost in transit, we will arrange an appropriate replacement or refund at no additional cost to you.

For a full-order refund resulting from a package confirmed lost in transit, we will also refund any original shipping charge paid.

If tracking shows "Delivered" but you cannot locate your package, please contact us so we can investigate.

A "Delivered" tracking status alone will not automatically result in rejection of your request.

If an item is missing from your order, we will check whether it was shipped separately or omitted and arrange an appropriate resolution.

9. Returns and Return Shipping

You may request a return for eligible products within 14 calendar days after delivery.

For change-of-mind or preference-based returns:

• Products must be unused and in their original condition.

• Original packaging, accessories, and included components must be returned where applicable.

• You must provide your order number or other valid proof of purchase.

• Customers are responsible for applicable return shipping costs.

Original outbound shipping charges are generally non-refundable for preference-based returns unless required by applicable law.

We do not charge restocking fees.

Please contact service@oqenv.com before sending any products back.

After your return request has been reviewed and approved, we will provide the designated return address and applicable instructions.

Our registered business address is not a return address unless our customer support team specifically authorizes it.

Please review our Return & Refund Policy for complete return eligibility requirements, shipping responsibilities, and procedures.

10. Damaged, Defective, Incorrect, or Misdescribed Products

If a product arrives damaged, defective, incorrect, incomplete, or materially different from its description, please contact service@oqenv.com.

Provide:

• Your order number.

• A description of the issue.

• Relevant photographs or videos, where available.

If supporting photographs or videos are unavailable, please contact us so we can discuss another reasonable way to review the issue.

We will provide an appropriate replacement, refund, or return solution at no additional cost to you.

If a return is required, we will arrange a prepaid return method or cover the necessary return shipping costs.

For a full-order refund resulting from such an issue, we will also refund any original shipping charge paid.

For an affected item within a larger order, we will explain the applicable refund amount and shipping adjustment.

The unused-item requirements for preference-based returns do not prevent customers from requesting assistance with damaged, defective, incorrect, or materially misdescribed products.

11. Refund Method and Processing Times

Approved refunds are issued to the original payment method used for the purchase.

Refunds are issued within the following timeframes:

Approved Returns

Within 5–10 business days after the returned product has been received and inspected.

Refunds Without a Required Return

Within 5–10 business days after refund approval.

Successful Order Cancellations

Within 5–10 business days after cancellation confirmation.

Business days exclude weekends and applicable public holidays.

Your bank, card issuer, or payment provider may require additional time to display the funds after the refund has been issued.

If you have not received your refund within the stated timeframe, please contact us with your order number and any available refund confirmation.

12. Payment Information

Payments are processed through the payment providers available at checkout.

These providers may have their own applicable terms and privacy policies concerning information collected directly through their services.

We may receive payment status, transaction references, and other information reasonably necessary to confirm purchases, manage orders, investigate payment issues, and issue refunds.

For your security, please do not send passwords, payment security codes, or complete payment card details to our customer support team.

13. Customer Responsibilities

Customers are responsible for providing accurate billing, shipping, and contact information and reviewing their order details before payment.

If you discover an address error after placing an order, please contact us promptly.

We will check whether the information can still be corrected before dispatch.

If incorrect customer-provided information causes a delivery problem, we will explain the available options and any necessary additional costs before you agree to an arrangement.

Customers will not be responsible for additional shipping costs caused by addressing or fulfillment errors on our part.

Please use purchased products according to their descriptions, instructions, and applicable safety information.

14. Related Policies and Consumer Rights

These Terms of Purchase should be read together with our:

• Terms of Service.

• Shipping Policy.

• Return & Refund Policy.

• Privacy Policy.

Using third-party payment, shipping, or fulfillment providers does not remove our responsibilities concerning customer purchases or valid requests for assistance.

Nothing in these terms excludes or limits consumer rights, remedies, or liabilities that cannot lawfully be excluded or limited.

Delays or events outside our reasonable control do not automatically remove our obligations to investigate delivery issues or provide an appropriate resolution.

If any provision conflicts with mandatory consumer protection requirements, applicable legal protections will continue to apply.

15. Changes to These Terms

We may update these Terms of Purchase to reflect changes in our services, business practices, or applicable legal requirements.

Updated versions will be posted on this page with a revised Last Updated date.

Where required by applicable law, we will provide additional notice of material changes.

Changes apply prospectively and do not retroactively reduce your rights concerning an existing purchase.

The terms presented when your order was placed will continue to govern that purchase unless you agree otherwise or applicable law requires a different approach.

16. Contact and Business Information

For questions about purchases, payments, shipping, order cancellations, returns, or refunds, please contact us using the following information.

Brand Name: Oqenv

Legal Company Name: Hangzhou Silicon-Based Firefly Technology Co., Ltd.

Customer Support Email: service@oqenv.com

Customer Support Phone: +86 18668146900

Business Address:

Room 2407, Building 4, Xixi Letiancheng
Wuchang Subdistrict, Yuhang District
Hangzhou, Zhejiang Province, China

For order-related requests, please include your order number and the email address used at checkout.

Please do not send returns to this business address unless specifically authorized by our customer support team.

Oqenv is owned and operated by Hangzhou Silicon-Based Firefly Technology Co., Ltd.