Ningbo TianYi Chemical Industrial(T.C.I) Co., ltd is a manufacturer and exporter of mass transfer equipments including random tower packing, structured tower packing, tower internals, tower trays and rubber, plastic products and Insulation products for fertilizers, petroleum, petrochemicals and fine-chemicals industries. Tower Packings : Pall rings, saddle rings, ladder rings, rash rings, cross rings, structured packing which are made of metallic, ceramic and pla 详细介绍