Our company Ningbo Elane international Co., Ltd established in 2018,but we are specializing in the chalk lines for more than ten year.We have a team of reserching and developing for the chalks,so during these years we have owed more than 300 kinds of different shapes and more than 100 different colors.At the same time, we have corresponding factory inspection report and test report.We hope we can offer you our best quality, best price and best service.Hoping you can be our partners not only the customer.