| BV Certificate Supplier Assessment Report | | 2.64MB | 559 | 2015-08-13 | Download |
| SGS Certificate QIP-ASR145777.pdf | | 2.99MB | 624 | 2015-08-13 | Download |
| ISO14001：2004 Certificate.jpg | | 146KB | 497 | 2015-08-13 | Download |
| ISO9001：2008 Certificate.jpg | | 1.23MB | 541 | 2015-08-13 | Download |
| OHASA 180012008 Certificate.jpg | | 147KB | 485 | 2015-08-13 | Download |
| National Patent--Vacuum Belt Filter.jpg | | 223KB | 517 | 2015-08-13 | Download |
| National Patent--Belt Filter Press.jpg | | 178KB | 489 | 2015-08-13 | Download |
| National Patent--Ceramic Vacuum Filter.jpg | | 208KB | 442 | 2015-08-13 | Download |
| National Patent--Dissolved Air Flotation Machine.jpg | | 197KB | 451 | 2015-08-13 | Download |
| National Patent--MBR.jpg | | 205KB | 453 | 2015-08-13 | Download |
| National Patent--Mechanical Bar Screen.jpg | | 203KB | 432 | 2015-08-13 | Download |
| National Patent--Package Sewage Treatment Plant.jpg | | 192KB | 447 | 2015-08-13 | Download |
| National Patent--Vacuum Belt Filter.jpg | | 223KB | 478 | 2015-08-13 | Download |
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