High quality raw material
The product material is C45 carbon steel which is higher than the standard as the raw material.
High quality raw material
The product material is C45 carbon steel which is higher than the standard as the raw material.
Anti-rust treatment, longer service life
After passivation and surface galvanized anti-rust treatment, its corrosion resistance is better than the ordinary coupler.
According with EN74 standards
According to the professional design and advanced technology, all products manufactured in strict accordant with EN74 quality guarantee, ensure construction safety and personnel safety.
