Ningbo TianYi Chemical Industrial(T.C.I) Co., ltd is a manufacturer and exporter We are mainly engaged in ... applied in the fields of metallurgy, petrochemical industry, electric power, energy, communications, chemical industry, construction, cement industry, and urban heating system, etc. Products ... to us, or view our website, thank you. Best regards, Ningbo T.C.I CO., LTD www.ptfeexpansionjoints.com