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Help Center: Product, Order, Shipping & After-Sales Support

Find technical manuals, installation guides and troubleshooting help for every optical transceiver and network link.
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Shipping, Returns & Warranty

Account, Payment & Business

FAQs

  • Account
  • Orders
  • Shipping & Customs
  • Warranty & Returns
  • Payment & Refunds
  • Products
  • 1. How do I register on LINK-PP (LINK-PP INT'L TECHNOLOGY)?

    You can register on l-p.com in two ways:

    1. Register with your valid email address.

    2. Sign in to LINK-PP (LINK-PP INT'L TECHNOLOGY) directly with your Facebook or Google account. Welcome to join us!

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    2. How do I reset my password if I forget it?

    1. If you sign in with Facebook or Google, reset the password in that account first, then log in with the new password.

    2. If you registered with an email address, click "Forgot your password?" to reset it. Please refer to the picture below:

    If this still does not work, contact us by email or through our 24/7 live chat and we will help you reset your password directly. Please note that we may need some information from your order history to keep your account secure.

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    3. What should I do if I want to change my registered email?

    Registered by email:

    Go to Account > Account Setting > Email to update your registered email. After you enter the correct email, we will send you a verification code. Enter the code and your email will be changed successfully.

    Note:

    1. It can only be modified once a month.

    2. This also applies to changing your bound email.

    3. All emails from LINK-PP (LINK-PP INT'L TECHNOLOGY) will be sent to your new email.


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    4. How do I unsubscribe from LINK-PP (LINK-PP INT'L TECHNOLOGY)?

    You can unsubscribe at any time.

    To unsubscribe from emails:

    1. The "UNSUBSCRIBE" button is at the bottom of our system emails. If you no longer wish to receive them, click it to unsubscribe.

    2. Or click here to unsubscribe your email directly.

     

    Note: Please do NOT unsubscribe if you have any open orders. All order information is sent to you by email, which keeps you informed about the status of your package.

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    5. How do I apply for a business account?

    If you would like to become a long-term business partner, you can enjoy better pricing discounts, wider payment terms and more flexible support. Please contact our customer service team or register a business account online.

    Business account benefits include a dedicated sales contact (a named account manager for quotes, lead time and technical matching), VIP wholesale and volume pricing, exclusive member-only promotions, and credit payment terms: Net 30 days is our standard payment term; Net 15 days and Net 45 days are also available; COD and Net 7 days are subject to credit approval.

    How it works: register a business account, our account manager contacts you to confirm the detailed technical and commercial terms, and once your application is approved we send you a confirmation letter. You can then start purchasing on business account terms.

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  • 1. How can I check the status of my order?

    You can check your order status in your Account, or contact your sales representative directly for an update.

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    2. My order is paid — why is the status still pending?

    Your payment may need to be reviewed or further processed, which can take up to 3–5 working days; your order remains in a pending status during this period.

    If you need your order urgently, you can use a faster payment method such as PayPal.

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    3. Why is my order still in the processing stage several days after payment?

    If your order is still in the processing stage 48 hours after payment, it usually means that some items in your order are out of stock. The standard lead time for out-of-stock items is 4–6 weeks. If you have any concerns, please contact us through Live Chat or email sales@l-p.com and we will check it for you.

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    4. How do I cancel an order?

    Before your order is shipped, you can cancel it by following the steps below:

    Step 1: Sign in to My Orders and find your order.

    Step 2: Click Cancel Order.

    Step 3: Select a cancellation reason in the pop-up box and submit your request.

    Note:

    1. You can only cancel an order before it has been processed and shipped.

    2. If you have already paid, your cancellation request needs to be approved by LINK-PP (LINK-PP INT'L TECHNOLOGY).

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    5. What should I do if I want to change the shipping address?

    1. Default address: Edit your address under Account > Edit Profile > Shipping Address.

    2. Order in preparation: You cannot edit it yourself. Please contact our customer service if needed.

    3. Shipped order: The shipping address cannot be edited.

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    6. How do I change my order?

    If you have not paid, cancel the order and place a new one.

    If you have already paid, please contact your sales representative. We can help you modify the order or place a new one.

    Please note that you can only make changes before the order has been processed and shipped.

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  • 1. Do you support worldwide shipping?

    Yes. Our warehouses are mainly located in China and serve orders worldwide, which allows us to ship internationally quickly and conveniently.

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    2. How long will it take to receive my order?

    The total lead time includes the product lead time plus the shipping time.

    Orders are shipped via FedEx IP. Please see our Shipping & Delivery page for the standard shipping transit times to your destination.

    If the products are not in stock, the standard lead time is 4–6 weeks, so it is best to confirm the lead time before you place an order.

    Delivery times are estimates and may vary due to customs clearance, weather conditions or local carrier operations.

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    3. Do you offer free shipping?

    Free shipping is subject to company policy and may change from time to time. Please refer to the information shown on the product detail page and at checkout.

    For details, please see our Shipping & Delivery.

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    4. How is the shipping cost calculated?

    Our default carrier is FedEx IP. When you choose a shipping method, the system automatically calculates the shipping cost for your reference.

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    5. Do I need to pay customs tax?

    Possibly. It depends on the country the goods are being delivered to.

    In some cases, your destination country may charge VAT, customs duties or other fees.

    1. We have no control over these charges and cannot predict the amount.

    2. Customs and taxation policies vary widely from country to country, so please refer to your local customs regulations.

    3. When customs clearance is required, there may be delays beyond our estimated delivery date. Any additional taxes or customs clearance charges must be paid by the recipient.

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    6. How can I track my package after it has been shipped?

    Once your package has been dispatched, tracking information is automatically sent to your registered email address, and tracking details are also available in your account center after login.

    If tracking information is not immediately available after you receive the shipping notice, please allow 1–2 business days for carrier updates.

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  • 1. What are your warranty terms?

    For Standard Stock Products (excluding consumables and customized items), we offer a 15-day no-reason return and refund. The return process is shown below.

    Standard Stock Products confirmed to be dead on arrival (DOA) or defective may qualify for free replacement.

    All eligible products are covered by a 5-year warranty. During the warranty period, we provide free repair and maintenance for covered manufacturing defects.

    Consumable / Customized Products are not eligible for the 15-day no-reason return and refund; replacement may be negotiated and evaluated on a case-by-case basis.

    For the detailed return policy, please see our return policy.

    Return Process

    LINK-PP return and refund process

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    2. Who is responsible for the return shipping fee?

    It depends on the situation.

    If the return is caused by a product problem, LINK-PP (LINK-PP INT'L TECHNOLOGY) is responsible for the freight charges, tariffs and other costs of returning the goods.

    If the return is due to the customer's own reasons, the customer is responsible for the return costs, such as freight and tariffs.

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    3. Where can I find the return address?

    Applying for a return online is required in order to get the return address.

    Pickup Service:

    No return address is provided, because you do not need to give an address to the shipping company for a pickup return.

    Non-pickup Service:

    After your return application is approved:

    1. The return address will be shown on the "Return Details" page.

    2. You will also receive an email with the return address.

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    4. What should I do if I receive a broken, wrong or not-as-described item?

    If you receive a broken, wrong or not-as-described item or parcel, please follow the steps below to help us resolve it:

    1. Apply for a return online first.

    2. Take clear photos of the exact problem.

    3. Upload them with your return application (see Return Policy).

    4. We will review your application and give you a satisfactory solution.

    Note: Applying for a return online is essential for us to handle the issue properly.

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    5. How do I use the "Pickup Service" for a return?

    LINK-PP (LINK-PP INT'L TECHNOLOGY) can arrange a pickup to handle returns once it is confirmed that the products failed due to a product problem. You only need to pack the goods and wait. Our international freight forwarder will contact you directly, collect the goods and return them to our warehouse, making the return easy for you.

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  • 1. What payment methods do you accept?

    We accept PayPal, credit card (Visa, Master, American Express, Discover, Diners and JCB), and purchase order.

    Purchase orders and credit payment terms are available only to customers with an approved business account.

    Net 30 is our standard payment term for purchase orders. Net 15 and Net 45 are also available on request, while COD and Net 7 days are subject to credit approval — contact your account manager or email sales@l-p.com to apply.

    For more details, please see our Payment Methods.

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    2. Can I use Cash on Delivery (COD)?

    If you become a business account customer, we can offer more flexible payment terms, including COD. However, your business account application must first be approved.

    As a business account customer, you can also enjoy better payment terms: Net 30 days is our standard payment term; Net 15 days and Net 45 days are also available; COD and Net 7 days are subject to credit approval. Welcome to join us.

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    3. Why is my order payment still processing?

    1. Your funds are being checked and protected. Once your payment is received, it may need to be reviewed or further processed, which can take up to 3–5 working days, and your order will remain in a pending status during this period.

    2. There is a faster way to shorten this process. After your payment, the bank will send you the transaction details — please forward that screenshot to us. Once confirmed, we will prepare your order as soon as possible.

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    4. How do I get a refund, and how long will it take?

    After your return passes inspection, we issue the refund to your original payment method within 5–7 business days. Generally, PayPal refunds arrive immediately.

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  • 1. What is the lead time of the products I ordered?

    When you place an order, you can see the product availability.

    If it is in stock, orders are shipped via FedEx IP. Please see our Shipping & Delivery page for the standard shipping transit times to your destination.

    If the product is not in stock, the standard lead time is 4–6 weeks. You can ask our sales representative for the delivery date before ordering, or we will update the estimated delivery time in the system or notify you by email after you place the order.

    Delivery times are estimates and may vary due to customs clearance, weather conditions or local carrier operations.

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    2. Can I get free samples before making a large purchase?

    Yes. We offer free samples for standard products (custom items excluded). You can also return the samples or pay for them after testing.

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    3. Do you support OEM/ODM?

    Yes. We can provide customized services such as custom labels and packaging.

    Our engineering team can also develop customized software and hardware products based on your specific requirements.

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    4. Is there a discount for large quantities?

    Yes. We offer a business account for customers who buy regularly and in large quantities. Business account customers are our VIP customers and enjoy better payment terms, generous product discounts, and dedicated one-to-one service from our professional sales and technical support team. Welcome to join us!

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    5. Why are your transceivers much cheaper than original-brand products from Cisco, HP or Juniper?

    We provide third-party compatible transceivers, not original-brand transceivers.

    All our optical modules comply with the standard MSA multi-source protocol. When the functions and parameters are the same, standard optical modules are much cheaper than original-brand modules. We program the EEPROM of standard optical modules to make them compatible with different systems such as Cisco, HP, Juniper, etc.

    When used in a system, our modules perform no differently from the original ones, yet they cost much less.

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    6. Do you provide technical support?

    Yes. We provide technical support both before and after your purchase.

    If you have any questions, feel free to contact us before or after you buy.

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