high quality api 5l spec gr b seamless steel line pipe
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fta.mofcom.gov.cn
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Chinese companies also involved in the high speed rail project from Colombo to the Colombo International Airport, mainly including old-line reconstruction over 20 km, new two-lane railway 11 km, housing construction, communications signal, power, multiple units, passenger train and viaduct etc., worth of about USD 170 million.
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