YuanRongDa pre-sale service :

1. Provide YuanRongDa product instructions and maintenance items.

1. Free to train our client to use our product.

YuanRongDa product after-sales protection :

1.Maintenance free in 100 days (except man-made damage )

2.Free maintenance after warranty, only charge for material cost it there have necessary.

3.YuanRongDa provide related technical support for free.