This Hallen Lee. Nice to meet you .Our factory founder in 1968. Also we have the certification of ISO9001-2000.Industrial park 60000???. Registered capital 51000 thousand. Staff 700 peoples.in industrial park has steel pipes branch company factory and UT . MT . PT . RT test.

Main product has

Flange ( blinding flange,hole flange .ring flange.carbon steel flange.)

Steel pipe( galvanization pipe .welding pipe.seamless pipe.spiral pipe .standard

pipe & no standard pipe)

Elbow (90°elbow. Three direct links. Welding three direct links) 

Flange standard            

GB-9112-2000     GB/T13402-1992  GB/T13403-1992 

SH3406-1996   

HG20592-20635-97

JB/T 74-90-94      JB/ T 4700-4707-2000

ASTM/ANSI B16.5   ASTM/ANSI B16.28  ASTM/ANSI B16.36  ASTM/ANSI B16.47

AP1605           JIS             DIN              ISO              

Steel pipe standard

Seamless standless GB/T8163-1999 GB/T8162-1999

welding pipe & piral pipe GB/T9711.1-1997 SY/T5037-2001

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