HULK Metal is a manufacturer of structural pipe fittings. We have all sets of molds(can suit the tube size of A, B, C, D, E, T) and an advanced casting factory for faster production of structural pipe fittings. We can provide sandblasting, spraying, galvanizing, and other surface treatment to make the product more beautiful. In addition to the above features, the structural pipe fittings manufactured by us can also pass the certifications of CE, SGS, TUV, and other standards.