Zhongtong pipe has obtained various certifications, بما في ذلك شهادة المؤسسة الوطنية للتكنولوجيا الفائقة, شهادة خدمة ما بعد البيع من فئة الخمس نجوم, شهادة نظام إدارة الجودة وشهادة نظام الإدارة البيئية.
The company has a diversified customer base and has served more than 2,680 الشركات الكبيرة, 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, كانتري جاردن جروب, Nanjing Metro 4 Line and other well-known companies.
![](https://www.cn-hdpe.com/wp-content/uploads/2023/12/factory-1.jpg)