... GBT3087, API 5L 6.Applications:civil construction, petrochemical industry, light industry, mainly liquid transferring, mechanical parts etcCangzhou Manier Import- ... a professional manufacturer & exporter of LSAW steel pipe, SSAW (spiral) steel pipe, ERW steel pipe and other pipes in China, and ... Caihezhuang Town, Jinghai County, Tianjin, a well-known Steel City in China. It is near to Tianjin port.If ...