B-line is a leading China Grout Sponge manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our Grout Sponge have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our Grout Sponge services, you can consult us now, we will reply to you in time!