DB37/T 1639.7-2019 Water use quotas for key industrial products in Shandong Province Part 7: Key industrial products for metal smelting and rolling processing (English Version)
2020DB37/T 1639.17-2020 Water use quotas for key industrial products in Shandong Province Part 17: Key industrial products for railway, ship and other transportation equipment manufacturing industries
2019DB37/T 1639.7-2019 Water use quotas for key industrial products in Shandong Province Part 7: Key industrial products for metal smelting and rolling processing