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    How to order

    Order online step by step as below.


     Step 1, Registering for an new account/Logging in, Finding out your product by searching our website
     Step 2, Adding the Product to your Basket, Selecting Your Currency
     Step 3, Checkout by Paypal,Pay by Credit Card for your Order
     Step 4, Shipping the goods for you, Providing you package tracking numbers


    Order offline

    Purchasing Our Products By Email:

    bank transfer offline (asking for our bank account via email:

    International Distributors

    We are currently actively looking for distributors around the globe. Please get in touch with us if you are interested in our products.


    Weijing Biotech Co., Ltd.
    1501, B Building LvZhou, Lane 137 BaiLan Road, Shanghai, 200062 China
    Phone: 13817407320 (WeChat)
    QQ: 908869532


    Shipping and Delivery

    What is your Delivery Time?

    If the item is in stock, the delivery time will normally take one to two days. Otherwise, the delivery time may take 2 to 3 weeks.

    At what temperature do you ship my goods?

    For lyophilized products, we ship at room temperature. For non-lyophilized products, we ship with ice packs. It is likely that the ice pack may be thawed or even at room temperature when you receive it; please be assured that this does not impact the performance of your product. Once you have received the product, please follow the storage instructions on the product datasheet.


    Invoices and Payments

    Which Payment Methods do you accept?

    We accept all major credit card including Visa, Master Card and American Express, as well as payments through PayPal.

    Where is my invoice?

    We send the invoice with the shipment and also by email. If your billing address is different from your shipping address, we will also post an invoice to the billing address. However, if you have not received the invoice, please email us at and we are happy to send you another copy.


    Returns and Cancellations

    How do I cancel my order?

    Before an order is dispatched, if the customer wishes to cancel the order, they must notify us. There will be no cost to the customer if cancellation is less than 24 hours after order confirmation. If the customer wishes to cancel an order 24 hours after receipt of order confirmation, a restocking fee of 25% of the full price of the goods will apply. After the product is dispatched, the customer cannot cancel the order but they may return the product. Please see below for the guidance on returning products.

    How do I return the products if I ordered incorrectly?

    If products are ordered incorrectly by the customer, we will consider taking them back, the product must be shipped back to CMCTAG within 7 working days of receipt of products. The products must have been kept in the storage condition as stated on the datasheet and not have been opened or broken. Please note that we charge 25% of the full product price for re-stocking. Shipping and handling charges, and this charges are not refundable.

    How do I complain about the product and claim a refund for my order?

    We are proud of the quality of our products. However, if the product does not perform as described on the datasheet, we will provide a replacement or refund. Please note that shipping fees are not refundable. You will need to provide us with your protocol for us to examine. If you do not provide details of your protocol or follow our recommendations, we will not be able to provide a replacement or refund.


    Credit Card  Options


    International Shipping Company Options


    Payments by
    All our products are For Research Use Only. Not for diagnostic or therapeutic usages.