Kaishan Technology Development Co.,Ltd. is a large-scale professional manufacturer of high, medium and low wind pressure down-the-hole drilling rigs and water well drilling rigs in china. The products include more than 50 kinds of 6 series. The main products are: KQZ series down-the-hole drilling rigs, follow-up Pipe series, FY series water well drilling rigs, and high, medium and low wind pressure engineering drilling rigs, etc. The company has been committed to the professional production of water well drilling rigs and down-the-hole drilling rigs and the sales and maintenance of drilling t... More