Langzhi was founded in 2008 as manufacturer of automatic welding equipment, and was widely used in pressure vessels & pipeline manufacturing industries. Factory locates in Wenzhou, Zhejiang, while the spot warehouse locates in Baoji, Shaanxi. Langzhi also provides factory prefabricated components, on-site installation and maintenance of plants, serving customers in industries such as caustic soda, PTA, electrolytic water hydrogen production, seawater desalination, acetic acid, agrochemicals, pharmaceuticals, etc.
In 2019, Langzhi focus on welded pipes and pipe fittings, using stable coil materials to produce titanium, nickel, zirconium, Hastelloy alloy, and nickel alloy welded pipes. Langzhi is the main manufacturer of non-ferrous metal welded pipeline fittings and the mainstream inventory provider in stock.
References of the past three years: (provided by distributor or equipment suppliers)
| 1. Baoti Group | 11. Guangxi Tiandong Jinsheng Chemical |
| 2. Baotai Special Metals Co., Ltd | 12. Anhui Bayi Chemical |
| 3. Nanjing Baose Co., Ltd | 13. Jiiujiang Jiuhong Chemical |
| 4. Jiangyin Longshan Pipe Industry Co., Ltd | 14. Guangdong Yongheng Chemical |
| 5. Ningxia DXHT group | 15. Posco South Korea |
| 6. Baoji Fuqi | 16. Unid Chemical South Korea |
| 7. Sichuan Guang'an Chengxin Chemical | 17. Tianchen EPC Southeast Electrification caustic soda project |
| 8. Hubei Kesai Chemical Co., Ltd | 18. Hubei Xingfa Group Xingrui Silicon Materials Co., Ltd |
| 9. Thyssenkrupp-nucera | 19. Panzhihua Steel's 100000 ton chlor alkali project |
| 10. Sitara Chemical Industries Ltd. | 20. Lygend Resources & Technology Co., Ltd. |
Company Basic Information：
◇ Established in April 2019 | ◇ Factory footprint: 40000㎡ |
◇ Welding pipe workshop 10000㎡ | ◇ R&D：2,000㎡ |
◇ Number of employees: 45 | ◇ Capacity: Ti pipe 5000T/Y; Ni pipe 2000T/Y |
Production Equipments：
◇ 5 automatic lines: welded pipes of DN50~450 & δ2~14mm | ◇ 6-meter bending machine: welded pipes of DN500~1500 & δ13~60mm |
◇ Edge beam automatic welding machine | ◇ CNC hydraulic shearing machine |
◇ Pipe joint machine | ◇ Pipeline shaping machine |
◇ Digital ultrasonic cleaning machine | ◇ Wheeled pipeline polishing machine |
◇ Automatic band sawing machine | ◇ Pipeline beveling machine |
◇ Elbow, Reducer, tee forming machine | ◇ Plate rolling machine |
Inspection Equipments：
◇ 350KV radiographic testing lead room | ◇ Mobile X-ray imaging testing equipment |
◇ Handheld spectrometer | ◇ Ultrasonic thickness gauge |
◇ Digital Eddy Flaw Detector | ◇ Hydraulic testing of pipelines |
◇ Ferrite detector | ◇ Metallographic Microscope |
◇ Rockwell Hardness Tester | ◇ Multifunctional Magnetic Particle Flaw Detector |
◇ Ultrasonic Flaw Detector | ◇ Roughness Tester |
◇ Ultrasonic Thickness Gauge | ◇ Other non-destructive testing |
Lab Equipments:
◇ Universal material testing machine | ◇ Low temperature impact testing machine |
◇ PMI Testing | ◇ Chemical composition analysis instrument |
◇ Intergranular corrosion | ◇ Fluorescent magnetic powder |
Final document:
◇ 100% PT & 100% RT | ◇ Melting composition |
◇ Finished product ingredients | ◇ Eddy current inspection |
◇ Non metallic inclusions | ◇ Low magnification inspection |
◇ Grain size | ◇ Room temperature stretching |
◇ Water pressure test | ◇ Ultrasonic testing |
◇ Appearance and dimensions | ◇ Surface quality |
◇ Universal material testing | ◇ Metallography |
◇ Ferrite detection | ◇ Intergranular corrosion |
◇ Fluorescent magnetic powder | ◇ Low temperature impact test |
◇ Hardness testing | ◇ Other non-destructive testing |
Company vision: To become the mainstream inventory supplier for pipes and fittings in the non-ferrous metal industry, provide factory prefabrication as well as on-site installation service.
