Ningbo TianYi Chemical Industrial(T.C.I) Co., ltd is awe are able to provide our customers with an extensive range of tower packings for mass transfer operations which include gas scrubbing, stripping, de-aeration, degassing, biological filtration and mechanical filtration. we are able to provide our customers with an extensive range of products for mass transfer operations , S&Y design and supply valves, fittings, flanges, expansion joints, please find our products range in the following: Pall ring Ceramia grinding ball Ceramic brick carbon rashing ring (Raschig ring) ceramic rashing ring (Raschig ring) conjugale ring tellerette ring muti-surface hollow ball PP float ball structure tower packing random tower packing VSP ring saddle ring Haier ring Intalox ring (demister) Mist Eliminator Cascade Ring Demisters Bed Limiters Liquid Distribution compact joint Metal expansion joint PTFE expansion fabric PTFE expansion joint PTFE expansion with rubber PTFE