Ningbo TianYi Chemical Industrial(T.C.I) Co., ltd is a manufacturer and exporter We are 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. Products: double sphere expansion joint double sphere union flexible expansion joint Metal expansion joints Metal expansion joint PTEF expansion joints PTFE envelop EPDM PTFE expansion fabric PTFE expansion joint PTFE metal expansion PTFE rubber expansion Rubber bellows rubber expansion rubber expansion joint Rubber Joint Union Single sphere expansion joint