It is true that imported materials are often cheaper than high-grade materials, but it does not mean that they have good quality. The quality consistency is the thing that will retain the customer loyalty so they continue to buy from you in the future. This is the reason why I chose this for my option.
How can quality materials improve the product?
High-quality materials are sometimes more expensive than any other materials that readily available. However, to make the product more efficient and can last for a very long time, high-grade materials are worth the money.