Certificates & Honors

Invention Patent: Process for High-Pressure Hydrogenation Large-Diameter Thick-Wall Stainless Steel Fittings

Invention Patent: Hot-Press Tee Manufacturing Process from X100 Steel Plate

Invention Patent: Hot-Extrusion Tee Process from X80 Steel Plate

Invention Patent: Hot-Extrusion Elbow Process from X80 Steel Plate

Invention Patent: Process for Manufacturing Low-Temperature Die-Pressed Tees from X80 Steel Plate

S&amp;T Achievement: N08825 D864×48 High-Pressure Hydrogenation Nickel-Alloy Tees &amp; Elbows

S&amp;T Achievement: WP347 D864×68 High-Pressure Hydrogenation Stainless Steel Tees &amp; Elbows

S&amp;T Achievement: Manufacture of IB555-Grade D1422 Induction-Heated Bends

S&amp;T Achievement: X80 D1422×58 Die-Pressed Low-Temperature Tees

S&amp;T Achievement: Manufacture of 500-Steel DN1400 Thick-Wall Tees

S&amp;T Achievement: X80 Die-Pressed PN12.0 Φ&gt;1220mm Equal Tees

S&amp;T Achievement: X80 Die-Pressed PN12.0 Φ&gt;1220mm Elbows

S&amp;T Achievement: X70 Hot-Press Low-Temperature Tees for -45°C Service

S&amp;T Achievement: X60 Hot-Press Low-Temperature Tees for -45°C Service

S&amp;T Achievement: Manufacturing Process for X70 Induction-Heated Single-Seam Bends

S&amp;T Achievement: X70 Tee Development &amp; Process Research for West-East Gas Pipeline

S&amp;T Achievement: X60 Tee Development &amp; Process Research for West-East Gas Pipeline

S&amp;T Achievement: X52 Elbow Development &amp; Process Research for West-East Gas Pipeline