General Questions
JINCASE is a proprietary 3C accessories brand under Shenzhen Jincase Technology Co., Ltd., specializing in the design and manufacturing of chargers, data cables, power banks, TWS earphones, phone cases, and tempered glass screen protectors. Our products are widely supplied to global wholesale and e-commerce channels.
JINCASE focuses on five core product categories: power banks, Bluetooth earphones, Bluetooth speakers, tempered glass screen protectors, and phone cases. All products are developed with durability as the top priority, stable structures, and controllable costs, aiming to meet the practical needs of chain retailers and large-scale wholesale customers for multi-SKU management, consistent quality, and long-term stable supply.
Some products are sold through authorized retail partners. Please refer to the offline channel information published on our official website for details.
Yes. For wholesale purchasing or OEM / ODM cooperation, please submit your inquiry through the Contact Us page. Our team will follow up with you accordingly.
consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Quis ipsum suspendisse ultrices gravida. Risus commodo viverra maecenas accumsan lacus vel facilisis.
Payment Questions
We support multiple payment methods, including bank transfer, credit cards, PayPal, Apple Pay, and Google Pay. After the order is confirmed, the specific payment method will be finalized based on the cooperation model and your company’s internal payment process.
All payment transactions are processed through encrypted systems to ensure the security of your transaction information and funds.
If you experience payment failures, duplicate charges, or other payment-related issues, please contact our customer service team promptly. We will verify the situation and assist in resolving the issue as soon as possible to ensure a smooth payment process.
After-Sales Service
If a non-man-made quality issue is identified within 7 days of receiving the product, and the item remains unused, with original packaging intact and all accessories included, you may apply for a return or exchange. The final decision will be subject to customer service review.
Please contact your account manager or the JINCASE customer service team and provide the order number, a description of the issue, and relevant photos or videos. Once approved, we will guide you through the return or exchange process.
Return or exchange shipping costs are generally borne by the customer. However, if the return is confirmed to be due to a product quality issue or our responsibility, JINCASE will cover the related shipping costs.
Warranty Questions
Yes. JINCASE core products are covered by a 1-year warranty. During the warranty period, if a quality issue occurs, we will provide repair or replacement support.
Please submit your request through the Contact Us page and provide the order number along with relevant photos or videos. Our customer service team will guide you through the warranty claim process.
The warranty covers material defects and functional issues only. It does not cover damage caused by improper use, external force, or force majeure events.
Shipping & Delivery
JINCASE supports shipping to most major countries and regions worldwide. Available destinations and shipping costs will be confirmed based on the actual order details.
Once the order has been shipped, we will provide a tracking number. You can check the shipment status through the order details page or on the carrier’s website.
If the order has not yet been shipped, please contact our customer service team as soon as possible to request an update. If the order has already been shipped, it will need to be handled according to the carrier’s procedures, and any related costs will be negotiated by the responsible party.

