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Our company provides customized services, please leave your product requirements (wavelength, power, package size, etc.), Please fill in the form below for specific related needs, and our staff will understand it as soon as possible and contact you promptly.

CUSTOMIZED SERVICE

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AFFER-SALES SERVICE

Warranty

Yuehai&Technology provides a one-year warranty for all products. During the warranty period, if the product quality does not meet customer requirements due to process or raw material defects, Yuehai&Technology promises free rework. The warranty requires that the product only exhibits defects under normal use. If the product has defects due to improper use by the customer, no warranty is provided.

Order Confirmation

Within 3 working days after order confirmation, Yuehai&Technology will allow modification or cancellation of the order based on negotiation with the customer. For certain conventional products such as connectors, jumpers, etc., modification or cancellation will not be allowed. For orders confirmed after 3 working days, any modifications or cancellations may result in the incurring of raw material or production costs. These costs will be borne by the customer who made this request.

Order Modification or Cancellation

Within 3 working days after confirmation of the order, Lightstar may allow the order to be modified orcancelled, depending on negotiation with customer. For certain normal products such as connectorization, patchcords, modification orcancellation will not be allowed. For order confirmed after 3 working days, any modification or cancellation may result in raw materials ormanufacturing cost incurred. Such costs will be the responsibility of the customer making this request.

Order/Shipment Suspension

Customer May request for order/shipment suspension for a period of 6 months. Such request should be made atleast one week before the schedule shipment.

RMA Products

If a product is found to be unqualified, the customer can request a return. The return process is as follows:
1. The customer needs to provide the order number, serial number, and the reason for the defect of the faulty product (with relevant data attached).
2. The salesperson will confirm and provide the RMA number.
3. The customer arranges the return according to the provided return number.
Once the product is received, preliminary analysis data will be provided within 2 to 3 working days, followed by a detailed RMA report within 7 working days.
Based on the RMA report, further discussion is needed on how to handle the faulty product.

After-Sales Contact

sales@lightstartech.com

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