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hunan great steel pipe co., ltd

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din 30670 pe coating pipe
hssg made by three factories which can produce smls,erw,ssaw,lsaw steel pipe to meet the..
api 5l ssaw steel pipe
ssaw steel pipe quality standard: api 5l, gb/t 9711, sy/t 5037 gr.a, b, x42,x46,x52,x..
api 5l lsaw steel pipe
lsaw steel pipe quality standard: api 5l, gb/t3091,gb/t9711 gr.a, b, x42,x46,x52,x56,..
api 5l erw steel pipe
erw steel pipe api 5l/a53 /astm a252 gr. a, b, c a) od: 26.3-610mm b) wt: 2-20mm c)..
api 5l seamless steel pipe
seamless steel pipe hot rolled and cold drawn api 5l/astm a106/a53 /astm a252 gr. a,..
hunan great steel pipe co., ltd Tel:731-88678505
E-mail:sc.clairechang@gmail.com support:China Building Materials 365