Ours, Lianyungang HuangHai Machinery Co., Ltd, was established in 1969, and is one of the largest manufacturers specializing in underground drilling equipments in China,which makes four main series of products consisting of more than 40 kinds of drilling machines. Our rigs are widely used in the fields of geology, metallurgy, water well, coal mine, hydrological and engineering drilling. Our products occupy over 70% market share in China now and have been exported to Africa, Southeast Asia, the...
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