What is the renewal product? 

Renew product: A previously used piece has worn out and has changed its usable life, is to bring back working

vases. The products are tested. Renewable products are widely used in the world

What is the Second-hand product

Second-hand product: It is the one that was used before. Second-hand products are in operation and tested.

What is a zero equivalent product?

Zero product: Zero product is equivalent products produced abroad. Apart from the main manufacturer, are

co-produced products. They are the most preferred products in the world in price performance.

What is the original product?

Original product (OEM): It is a product to produce and produce noble. The original manufacturer can be produced

in different factories that they produce.