Carl Handy

This is a Payments.GY Payment Gateway for WooCommerce.
Payments.GY allows you to securely sell your products online by registering your website as a third party application on the payments.gy platform. 
Users must have a verified payments.gy account to process payments.
The integration is seemless with no need for complicated API keys.

Payments.GY

An extension of the payment platform designed and developed by IntellectStorm Inc.

MohammadJafar Khajeh

You can specify a minimum quantity for a product. When the user adds the product to the cart and if the number of wanted quantity was greater than the minimum you specific, the price of the product will change to what you want. 
That price can be a percent or a specific value. 
This is wholesale.
<h4>One more thing</h4>
The plugin using i18n, So you can translate it for your language. 
The plugin has been translated to Persian already.
<a href="https://github.com/mjkhajeh/woocommerce-wholesale" rel="nofollow ugc">GitHub Repo</a>

Wholesale

Changes the price of the product in the shopping cart according to its quantity

Payments.GY vs Wholesale