My name is Frank Kennedy from USA Company. My company mainly operates on earthing material. YiYang with good quality, fine workmanship, and timely reply, and important, cooperate with the YiYang without trouble, the salesperson always can understand my emails meaning. This feeling makes me good, and comfortable. Thanks.

Through three years of cooperation, we know YiYang Electric have more deep understanding, the production process conducted a series of quality control, they have good logistics solutions, let us in front of customers won more honor.

A great seller, I have to say thanks, I am really appreciated your help for my urgently Project, Item as described, fast shipping! Once again, very satisfied with order. A pleasure to do business with!

I purchased Ground rod from YiYang so many times, it is very fast shipping, good and accurate product, got them fast and as usual very good condition, all work great, all is great and love these lights. Obviously this is a five star of quality suppliers, we will certainly buy again YiYang products, and I wish you the business is thriving!