Ningbo TianYi Chemical Industrial(T.C.I) Co., ltd is a manufacturer and exporter .Nignbo T.c.i Co Ltd is a mainly engaged in the research, development and manufacture of the metallic bellows expansion joint, non-metallic expansion joint, telescopic expansion joint, spherical expansion joint, Teflon expansion joint, metal hose, rubber hose, various kinds of tube-joints and sliding plank of low friction coefficient.Products of our company are widely applied in the fields of metallurgy, petrochemical industry, electric power, energy, communications, chemical industry, construction, cement industry, and urban heating system, etc.