PRACTICAL PATENT CERTIFICATE

CERTIFICATE

Practical patent certificate (Laying head)

Practical patent certificate (short stress wire rod/bar mill)

Practical patent certificate (High speed wire rod finishing mill)

Practical patent certificate (High speed special steel finishing mill)

Practical patent certificate (High speed bar finishing mill）

Practical patent certificate (High speed special steel wire rod finishing mill)

Practical patent certificate (High speed wire rod production line pre-finishing mill)

Practical patent certificate (Carbon steel wire rod finishing mill speed increasing gearbox)

Practical patent certificate (High speed special steel finishing mill speed increasing gearbox)

Practical patent certificate (The tool to press the oil film bearing in roller box of finishing mill)

Practical patent certificate ( A small diameter of spinneret used in high speed special steel wire rod production line)

Famous trademark in Shaanxi province

Defends the contact heavy credit

Excellent private-owned enterprise in Xi'an

Through the quality management system (ISO9001:2008)

Re-bar and wire rod rolling equipment engineering technology research and development center (NSTB Xi'an)