| Type | Casting supplier | Website |
|---|---|---|
| DN15 KHA-G-VIII | Dongying Giayang Percision Metal Co.,Ltd | Certificate |
| DN50 KHA-G-VIII | Xiamen zaosinse machinery Co.,Ltd | Website |
| DN65 KHA-G-VIII | JOHN-VALVE MFG. FACTORY CO., LTD. | Certificates |
| DN100 KHA-XC | Xiamen zaosinse machinery Co.,Ltd | Website |