Our company established in 2002, the Chinese famous oil-extended insoluble sulfur manufacturer producing IS-HS6033, IS-HS7020, IS-HS7520, IS-HD-OT20 and IS-HD-OT33 with annual production capacity of 20000mt. However, there is another production line under construction, and it’s estimated it can be put into production in June this year, thus we can produce 30000mt every year by then. Recent years, through R&D we built new production lines using new technology - one step continuous method to prod...