We are leading manufacturer in China producing welding chalk, soapstone chalk, engineers chalk, split chalk, French chalk , marble chalk, railroad chalk etc. The chalk is made by natural pure white soapstone and is dustless and not-toxic. The chalk is ideal for most hard surfaces such as bricks ,blocks, concrete,paving,slate,steel,tarmac,tiles etc. The finish will not polishl. Line is clear, dustfree and fastness when firing. We have different sizes according to cusotmer's requirements. We are exporting to USA, Mexico, Canada, Japan, Korea, Singapore, Germany, Italy, Russia, etc. Welcome to visit our factory and discuss business with us.