... packing and metal packing, we supply random tower packing and structured packing for chemical processing industry, sulphuric acid and RTO systems for 30+ yearsCeramic random packing: ... ring, Rashig ring, cascade ring etc.Ceramic structured packing: ceramic corrugated packingMetal random packing: IMTP, CMR,pall ring, rashig ring, VSP ... focus on separation technology for 30 years Chemical tower packing