Shandong Molong Petroleum Machinery Co. Ltd. - H SharesのROA推移
(単位:百万) | ROA | 前年比 |
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Design, manufacture and sale of oil well pumping machines, oil well sucker rods, oil well pumps, oil well pipes, casing and other petroleum drilling and extraction machinery accessories.
Design, manufacture and sale of oil well pumping machines, oil well sucker rods, oil well pumps, oil well pipes, casing and other petroleum drilling and extraction machinery accessories.