It is important to select the drilling machine 150 meters drilling rigs, drilling machine if you can not guarantee the quality, then the small advice you may wish to choose a trusted brand drilling machine. So that it can choose to protect the drilling machine has good quality and perfect after-sales service. Drilling machines for use there will inevitably be a variety of failures, but only improve the service to allow customers to buy the rest assured, with the assured. Therefore, small series that choose quality drilling machine is the key, and the quality of the relationship between the level of work efficiency, but also related to life. Therefore, the choice of drilling rigs must pay attention to take account of the quality of the product, do not just choose low-priced products. Only guarantee the quality of drilling machines, drilling machines to be able to make a better play to the performance, improve work efficiency. Work drilling machine is pumping reverse circulation type. Its working principle is: the role of atmospheric pressure, circulating liquid from the settling tank through the return ditch along the annular gap flow to the bottom of the borehole, when the turntable drive drill, drill drive rotation of drilling by the mud pump the establishment of a negative pressure suction debris drill mud suction lumen, then rose to the faucet, the mud pump into the sedimentation tank, circulating fluid continues to flow after precipitation wellbore, again and again, forming a reverse circulation drilling work . Buy drilling rigs should be noted that: many types of drilling machines, playing well, then you buy YT series rig, piling holes, then bought 150 meters of reverse circulation drilling rig drilling machine price, stone fight well, then buy the hammer drill 150 meter drilling machine where to sell, then buy play rock pneumatic drill, no water, no electricity, fast, 200 meters 150 meters drilling machine manufacturer, 20 hours on it, generally used for air conditioning well, The price is too high, 100,000 yuan is estimated to buy 200 positive circulation drill, the machine does not fit loose stone on the ground floor can play rock, 200 meters normally takes 20-30 hours, 200 meters of construction depth is accident-prone sections, Accidents generally up to two percent. 150 m drilling machine manufacturer, the Prius, Nanjing County, 150 m drilling machine provided by Luoyang Prius Drilling Equipment Co., Ltd. "Well Rig, Drilling Rig Series, drilling machine," preferred Luoyang Prius Drilling Equipment Co., Ltd. (www.zuanji888.com/), the company is located: the old city of Luoyang in Henan Guohong intersection of State Road 310, over the years, adhere to the Prius providing customers with the best quality service, contact: Ginger general manager. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Prius expect to be your long-term partner!