HD VALVE has been approved to supply to those top-class engine builders like MAN, PIELSTICK, YANMAR, DAIHATSU in the past few years which makes us able to learn and apply the most advanced technologies, and therefor makes us different in this field.
| Licensee | Engine Builder | Year Started | Engine Model |
|---|---|---|---|
| ShanXi Diesel Engine Heavy Industry Co., Ltd | MAN | 2004 | MAN: L32/40,L27/38, L21/31, L16/24; |
| DAIHATSU | DAIHATSU: DK-28,DK-20; | ||
| PIELSTICK | PIELSTICK: PC2-6, PC2.5,PA6V280 | ||
| Zibo Diesel Parent Company | YANMAR | 2004 | 250,YANMAR N330 series |
| Qingdao Zichaiboyang Diesel Engine Factory Ltd. | YANMAR | 2007 | YANMAR: N330 series |
| Anqing Daihatsu | DAIHATSU | 2011 | DAIHATSU: DK-20 series |
| Guangzhou Diesel Engine Factory | 1998 | 320,230,G32,G26 series | |
| Ningbo CSI Power & Machinery Group Co., Ltd. | 2003 | G300,G320,210,330 series | |
| Shanghai New Power Factory | MAN | 2003 | MAN: L20/27 series |
| Weichai Power | MAN | 2000 | MAN: L20/27 series |
| Wuxi Diesel | 2000 | Wuxi G300 series |