air compressor built-in  surface DTH mine drilling rig for quarry                                                                                     ModelHW421Machine Weight6800kgEngineYuchai  162 kWDrill Pipe Sizes60 X 3,000 mmHole Dia80-115 mmWorking Pressure15 barF.A.D12 m3/minTramming Speed ( Max.)3 km/h (High Speed)Gradient25°Track Frame Oscilation±10°Transportation Dimensions6000X2800X2750 mm






 1.Adopt container transportation, and take reinforcement measures to prevent
the machine from being damaged, so that customers receive the machine in good condition.2.We have close ties with the top ten shipping companies in the world and can
provide you with the best shipping quotations and the most timely follow-up information.
Company profile
Jining Hengwang Construction Machinery Co., Ltd. is located in Jining City,
Shandong Province. We are specialized in manufacturing drilling rig and pile driver.
With an experienced and professional team, we have exported our products
to many countries and regions all over the world, especially in the Middle East,
Africa and South America. Our products enjoy a good reputation among our customers.
We welcome customers, business associations and friends from all parts of the world to
contact us and seek cooperation for mutual benefits.