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In modern electrical and electronic equipment, the increasing density of components and their related functions restrict the electromagnetic interference. Therefore, the connector is often sealed with a metal shell to prevent internal electromagnetic energy radiation or external electromagnetic interference. At low frequency, only magnetic materials can shield the magnetic field obviously. At this time, the electrical continuity of the metal shell has certain provisions, that is, the shell contact resistance. This is also a part of the current connector market applications, with the increasing demand for high voltage, high voltage screen connection has its mission.

When encountering problems with the product, please contact our customer service through the following online shopping platforms:

? Amazon

Click on the store name on the product purchase page, and then click the "Ask" button to contact customer service.
Click on "My Account" on the product page, then click on "Orders", select the relevant order, and contact the seller.

? AliExpress

On the product purchase page, find the store name and click the "Contact" button to contact customer service.
On the storefront page, hover the mouse over the store name and click "Contact Now" in the pop-up window.

? Lazada

On the product purchase page, find the store name and click the "Chat" button next to it to contact customer service.
Find the store name on the storefront page and click the "Chat Now" button next to it to contact customer service.

We transport to various parts of the world.

Your order will be handled by the warehouse company or Amazon that we directly cooperate with Lazada、 AliExpress shipping.
The delivery time is usually 3-7 working days.

If you purchase our products from the official Greda store, you can contact customer service for returns and exchanges during the warranty period.

If you purchase our products from the official Greda store, you will enjoy a one-year warranty period.

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You can go to the "Support" section of Grerida's official website (www.egredpower. com) and select "User Guide" to obtain relevant product user manuals.