Qingdao Wuxiao Group could manufacture tube pipe according to your requests. Qingdao Wuxiao Pipe Making Co.,Ltd is a professional steel tube manufacturing company, which was expanded on the basis of steel tube factory belongs to Qingdao Wuxiao Group. Our company major in production of longitudinally welded pipes, the maximum diameter could reach ***0mm, and *0mm wall thickness, length of single pipe could reach ****0mm, it represents the domestic top level. Our products are mainly divided into steel tube for pressure pipelines, steel structural steel tube, manufactured steel pipe and pipes for marine engineering equipment, vessel and drilling platform, all have excellent quality, and be used in kinds of large project.

Welded requirements:
1 we used CO2 welding and submerged arc auto welding or other methods.
2 Welded seam shall be full penetration and grinded.
3 The welded product has no fissure, scar, overlap, layer or other defects.
Galvanization:
All components are dip-hot galvanized with uniform. Galvanization standard: As per Chinese standard GB/T *********2
American standard ASTM A**3, IS: ********5

Material: All the steel are used the noted Chinese steel plant products or based on the customer's specific requirements or product them according to our Chinese national standard. Main steel material as follow:Q**5, Q**5, Q**0, Q**0, ASTM A**7 A*6, GR*0, GR*5, ST**7, ST**4, ST**2, S**5JR, S**5J2G3, SS*1, SS*0, SS*5, Fe **0B, Fe **0B, and others equivalent steel material

Certification:
We also supply Factory accept test, Warranty certification, Certificate of product quality
Certification of Quality Management System
Our all products are in conformity with ISO***1:***0.