Each Stone Wool Production Line is a complex set of machines working in a constant synchronization. It serves the whole working process from storage and feeding of the materials: coke (for coke cupola), basalt, dolomite (and sometimes slag) to cutting and packaging of the already produced stone wool. The world demand for stone wool is increasing rapidly each year and there is no tendency to slow down. If you want to become a stone wool manufacturer, a reliable partner is a necessity. But the problem is that a lot of the companies online are traders with little experience. For large scale projects like this, you need to work with a manufacturer with good reputation and years of working and development in the field. A company with skilled workers, certificates, after-sales service and so on. That is why, we kindly invite each and every potential customer to visit our factory in Qingdao and see our scale with their own eyes. Here at Qingdao Qingli Environmental Protection Equipment Co., LTD, thanks to our R&D, many years of experience and team of more than 200 people at out factory in Qingdao, we manufacture high quality, high-tech machinery that will serve you well for very long time. We even developed our own software for remote monitoring and diagnostics that can help us see your working conditions and give you advice / help remotely.