Frequently Asked Questions

【Placing an Order & Order Inquiry】

The following purchasing options are currently available: • Official Shopee Store • Call 0965-606-306 • Official LINE ID: @ses-gt

• If you place an order through the Shopee store, Shopee will send you a notification. Please check the Shopee app for details.
• If you place an order via Facebook or LINE, our customer service team will send you a notification within 2 business days.

Please contact our customer service team within 1–2 business days after placing your order. If we are not notified within 2 days, your order will be shipped according to the normal process.

• Please contact our customer service team within 1–2 business days after placing your order. If we are not notified within 2 days, your order will be shipped according to the normal process.
• If you wish to make changes after the deadline, the request will be handled according to our standard return and exchange process. Any additional fees incurred will be fully borne by the buyer.

If you do not receive a notification within two business days after placing your order, please contact our customer service team.
Contact information:
• Call 0965-606-306
• Official LINE ID: @ses-gt

The following options are available:

  1. Go to the Official Shopee Store and select your preferred payment and shipping method.

  2. For orders placed by phone, Facebook, or LINE, delivery will be handled by our logistics partner, Hsinchu Logistics. • Free shipping is available for orders of NT$3,000 or more after discounts. • For orders under NT$3,000 after discounts, a shipping fee of NT$150 will apply. • The above shipping rates do not apply to offshore islands. A shipping fee of NT$320 will be charged. • If you choose “Cash on Delivery,” an additional fee will be charged by the logistics company for the cash collection service.

  3. For deliveries within Tainan City, you may choose “Free In-Person Pickup” (excluding remote areas). You may either make a bank transfer in advance or pay in cash upon pickup.

Currently, credit card payments and installment payment services are only available through the Shopee platform. If you are unable to complete a credit card transaction on Shopee, please contact your credit card issuer for assistance.

Please visit the Warranty and Returns page on our official website for more information.

【Invoice Questions】

All orders for our products will be issued a two-part invoice. If you require a three-part invoice, please leave a note when placing your order or contact our customer service team by phone.

Currently, our company does not support e-invoice carrier services. All invoices are issued as paper invoices.

• When placing your order, you may leave a note or contact our customer service team by phone to provide your “contact phone number,” “company name,” and “company tax ID number.” The invoice will be shipped together with your order.
• If you need to make changes or corrections to the invoice after it has been shipped, please send the complete and undamaged invoice to “18F.-9, No. 425, Zhonghua Rd., Yongkang Dist., Tainan City, Taiwan,” addressed to “SES Greentech Co., Ltd.” Please also include a self-addressed stamped envelope. We will send the revised invoice back to you as soon as possible.

Please provide our customer service team with complete photos and videos of the product, along with your order information, for verification. However, a refund cannot be issued without the invoice; only an exchange can be provided. If the product is still within the warranty period, we will cover the shipping costs.

• Our company keeps a copy of the invoice stub for record-keeping and verification purposes.
• Please provide an unboxing video as supporting evidence. If it is confirmed that the omission was due to an error on our part, please provide your order information, mailing address, and contact phone number. We will send a replacement invoice to you, with the shipping cost covered by us.
• If it is confirmed that the omission was not due to an error on our part, we will not issue and send another invoice.

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