A na-ese pere nke ochie a na-enwe nchekwa ọdịmma ma ọ bụ nhazi nke njikọ.A na-amanye apụta ụgbọelu epoxy ntọgbọelu a na-enyere aka steel pipe.Njikọ nke nhazi a na-enye aka stọlíìlì á ga-enwe nchekwa mma.Cold drawn square pipe Not only is it not easy to corrode in the face of various corrosive media, but also has a relatively stable expansion coefficient, so cold drawn square pipes are not easy to deform after use and can effectively extend the service life of the pipeline system.
