Linqing Ruilong Drill Co., LTD., founded in 2007, is located in the ancient Beijing-Hangzhou Canal in the northwest of Shandong ---- Linqing city, Shandong Province, China, is located in the west of Huamei Road with convenient transportation. Is a mining drilling sales and service as one of the integrated company.Our main products are drilling rig( water well drill rig ),drill pipe(geological drilling rod (HQ and NQ) ,coal mining drill rod ,auger rod ,rock drilling rod ,water well drilling pipe and DTH drill pipe etc.),Drill bit(PDC drill bit ,Tungsten carbide drill bit ,rock drill button bit ,diamond drill bit and tricone drill bit, etc.) and many other drilling tools .