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.

Mainbon now has been a worldwide brand which features producing electric tricycle bearing. Various in styles, Mainbon's charging system parts can meet the needs of different customers. It comes with the desired durability. The testing is done by simulating the load-bearing during the expected full life span of a mattress. And the results show it is extremely durable under testing conditions. This product has been widely exported to Asia, Africa, and South America. It helps maintain the quality of shoes. It spares the need for periodic shoe repair, which, in the end, will save money. This product stands out for its excellent loading capacity.

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