德阳得瑞宝新材料有限公司
Exhibit Profile：
High-pressure mud pump, spring safety valve, valve body/seat, ceramic liner, piston, top drive ultra-high pressure washpipe assembly, IBOP plug valve and other self-developed products.
High-pressure mud pump, spring safety valve, valve body/seat, ceramic liner, piston, top drive ultra-high pressure washpipe assembly, IBOP plug valve and other self-developed products.
Website：http://www.scdrb.com/