Yes. Mainbon Group Company Limited. will arrange a sample charge refund once an order is placed. Generally, we will set up a refund mechanism for customers who would like to place an order with a product quantity higher than the minimum order quantity set by us. The samples are only provided for free in the case of customers having a desire for further cooperation. Mainbon guarantees offering samples with the same quality as the ordinary product, which has a high pass rate. Moreover, we offer discounts for large orders to maximize mutual benefits.

The Mainbon factory is recognized as one of the largest factories manufacturing gear flow meter in China. The handle switch series has many styles to meet the diversified needs of customers. The product is completed to the highest of standards for reliability and performance within the industry. This product has been widely exported to Asia, Africa, and South America. This product can be used for many decades while retaining its beauty, with very little efforts on maintenance needed. This product only requires little maintenance, which saves users from all the fuss.

We work with ISO-certified suppliers who have the right working conditions, working times, and who conduct their work without undue risk or pressure.