PROS CHEMICAL INDUSTRIAL LTD. is a professional chinese corporation engaged in R&D, manufacturing and export of lubricant additives. Our products are exported to countries all around the world and have gained high reputation. We are recognized as leading lubricant additive exporter in China. With commitments to quality and service, PROS is focused on providing our customers highly cost-effective products.Our main products include:Engine oil additivesGear oil additivesDetergent TBN 300/400ZDDP/Zinc BoosterPour point depressantEPM & VII??
