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Yantai Qingzhou Steel Pipe Co.,Ltd.
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About Us
Yantai Qingzhou Steel Pipe Co.,Ltd. is specialized in seamless and welded steel pipes. It�� located in Yantai ,a beautiful seaside city with convenient communications.
Our company can supply carbon and alloy steel pipes with high quality and good service. The products are produced according to international advanced standards such as API,ASTM,DIN,JIS etc..The size covers from 1/4��to 28��OD from 13.7mm to 711.2mm), wall-thickness from Sch20,Sch30 to Sch160,XXS,and length up to 40��It has ...
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Specfication:DIN2448/1629 GRADE:ST37,ST44,ST52 Size:from 1/4" to 28",OD ...
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Specfication:API SPEC 5L API SPEC 5L Size:from 1/4" to 28",OD from 13.7 mm ...
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Specfication:ASTM A106 GR.B Size:from 1/4" to 28",OD from 13.7 mm to 711.2 ...
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Specfication:ASTM A53 GR.B Size:from 1/4" to 28",OD from 13.7 mm to 711.2 mm ...
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Specification: ASTM A179
Size: from 1/4" to 2", OD such as 19.05*2.11 ...
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Specification: DIN2448/1629
Grade: ST37, ST44, ST52
Size: from 1/4" to 28", OD ...
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Specification: ASTM A106/A53/API 5L GR.B
Size: from 1/4" to 28", OD from 13.7 ...
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Specfication:ASTM A106 GR.B
Size:from 1/4" to 28",OD from 13.7 mm to 711.2 ...
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