Round culverts, reinforced concrete box culverts of Ha Thanh Concrete Company are manufactured by German technology of vibrating pressing with modern production equipment. when releasing the product. This product has been certified by the Conformity Certification Center (Quacert) for the quality management system ISO 9001:2015 and TCVN 9113:2012 (with round drain), TCVN 9116:2012 (with box culvert).
List of factories
| STT | Nhà máy | Địa chỉ |
|---|---|---|
| 1 | Ha Thanh Concrete Factory – Nguyen Khe | Nguyen Khe Industrial Park, Nguyen Khe Commune, Dong Anh District, Hanoi |
| 2 | Ha Thanh Concrete Factory – Vinh Phuc | Binh Xuyen Industrial Park, Trung My Commune, Binh Xuyen District, Vinh Phuc Province |
Production process of reinforced concrete culverts
- Production process of reinforced concrete round culverts
- Production process of reinforced concrete box culverts
