Yes. Nanjing Blue Sky Filter Co.,Ltd. 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. Blue Sky 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.

With rich expertise in R&D, design, and manufacture, Blue Sky has become one of the leading international providers of bag filter. vacuum cleaner dust bags is the main product of Blue Sky. It is diverse in variety. This product is widely known for its high quality and reliability. People can replace their old ones with this product, and they will be surprised at the result that the electricity bills go down significantly.

We are going to align our organization, suppliers, and partners to focus on providing unique solutions to our customers and for improving our operation.