
Giant Hope is a professional manufacturer specialized in color card. We are recognized as a responsible and credible company. Giant Hope's color card is various in types and styles to meet the different needs of customers. This product is safe to use. It has undergone a series of rigorous electrical testing in production and has meet the highest safety standards. It has passed temperature & humidity cycle test which greatly proves its reliability. Some of our customers said:' I can obviously feel the taste of the water has changed since this product is installed. I like it because it can restore the pH balance to the water.' It has passed temperature & humidity cycle test which greatly proves its reliability.

We are a high quality professional manufacturer of blister box. Ask online!

