November 2015,China Petroleum and Chemical Industry Federation of suppliers working committee launched the oil and chemical industry procurement service platform static seal industry qualified supplier statistical analysis work, according to the enterprise reporting materials, in the open, fair and impartial principle
By the review committee assessment, the development of 17 static seal production enterprises for the oil and chemical industry procurement service platform for the first batch of static sealed industry qualified suppliers (see table below, ranked in alphabetical order by name)
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