| http://www.w3.org/ns/prov#value | - Ningbo TianYi Chemical Industrial(T. C. I) Co., Ltd China(CN) 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, s ...
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