Zhongtong pipe has obtained various certifications, einschließlich nationaler High-Tech-Unternehmenszertifizierung, Fünf-Sterne-Zertifizierung für den After-Sales-Service, Zertifizierung des Qualitätsmanagementsystems und Zertifizierung des Umweltmanagementsystems.
The company has a diversified customer base and has served more than 2,680 Großunternehmen, including well-known universities such as Nanjing University of Science and Technology and Zhejiang University, government agencies such as Taicang Water Conservancy Bureau, famous facilities such as Changzhou High-speed Railway Station, as well as Nongfu Spring, Landgarten-Gruppe, Nanjing Metro 4 Line and other well-known companies.
![](https://www.cn-hdpe.com/wp-content/uploads/2023/12/factory-1.jpg)