verifying pipe size, wall thickness, and surface quality.
tensile, yield, hardness, and impact tests.
ultrasonic, magnetic particle, and hydrostatic testing.
ensuring long-term durability in harsh environments.
all products are delivered with full test reports, API/ISO certifications, and traceability records.
At ZC Steel, every product undergoes strict inspection and testing procedures to ensure compliance with international standards and customer requirements. From raw material selection to final delivery, our quality control team follows rigorous protocols to guarantee consistency, safety, and reliability.