| Products | Raw materials | Range of Diameter | Molding Methods | Molding Methods Welding Methods | Number of Welds | Weld Inspection Methods |
| Pipes | Seamless Pipes | OD≤DN100 | Rolling | NA | None | Ultrasonic / Hydraulic |
| Steel Coil | DN60≤OD≤DN400 TH≤12mm | Automatic On-line Pipe | P+T Auto Welding | Single Weld Seam | 100%PT+100%RT / Hydraulic | |
| Plates | DN450≤OD≤DN1300 TH≤60mm | 6-meter Bending Formed Pipe | P+T Auto Welding | Single Weld Seam | 100%PT+100%RT / Hydraulic | |
| Pipe Fittings | Seamless Pipes | OD≤DN100 | Extrusion | NA | None | Ultrasonic / Hydraulic |
| Welded Pipes | DN125≤OD≤DN400 TH≤14mm | Extrusion | P+T Auto Welding | Single weld seam | 100%PT+100%RT / Hydraulic | |
| Titanium Plates | OD＞DN450 TH≤40mm | Mold Pressing Group Welding | P+T Auto Welding | Twin-weld seam | 100%PT+100%RT / Hydraulic | |
| Stub | Seamless Pipes & Plates | OD≤DN100 | Seamless Pipe & Welded Rings | T Auto Welding | Fillet Weld | 100%PT |
| Welded Pipes & Plates | OD＞DN125 | Welded Pipe & Welded Rings | T Auto Welding | Fillet Weld | 100%PT | |
| Ring-Seam | Straight Pipe & Straight Pipe Ring Seam | NA | NA | P+T Auto Welding | NA | 100%PT+100%RT |
| Straight Pipe & Fittings | NA | NA | Hand Welding or Auto Welding | NA | 100%PT+100%RT | |
| Installation of On-site Ring Seams | NA | NA | Hand Welding | NA | 100%PT+100%RT |
Founded in 2008, Langzhi is a leading brand of automatic welding equipment in the pipe manufacturing industry. Langzhi welding equipment is widely used in the domestic pressure vessel and pipeline manufacturing industry.
In 2019, "Langzhi" introduced the concept of "continuous online production" of stainless steel welded pipes into the titanium welded pipe industry and established "Zhejiang Langzhi Titanium Nickel Metal Manufacturing Co., Ltd." The factory is located in the national historical and cultural city of Lucheng, Dongou - Wenzhou, Zhejiang, specializing in the research and development, production, and sales of special materials such as titanium, zirconium, nickel, and Hastelloy alloy..
