We own the most advanced automation cold-formed forming machine and high-frequency straight resistance welding machine at home and abroad.we can produce ERW steel pipes vary from 88.9mm (3¡±) to 457mm (18¡±), SSAW steel pipes vary from 219mm (8¡¯) to 2020mm. (80¡±), Square/Rectangle pipes vary from 15*15*0.5mm to 400*200*13mm. Our products are strictly conducted according to GB/T 3091-2001, GB/T 9711.1-1997, API 5L/5CT, EN10219, ASTM A53, ASTM A500 and other equivalent standards.
Our products are widely used...
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