For the production equipment, the key spare parts are all import from Germany . We have four full stainless steel production line with 130,000 tons/year . We have one of the four national-level appraisal lab for testing carbon black in  China .We also introduce the three-phase separator (imported from Germany Flottweg Co.,Ltd) to dehydrate and deslag the raw oil to control the quality strictly from resource and guarantee the quality stablity  of products.