本产品由原地矿部唯一指定企业生产，执行行业标准。
This product is the only designated former Ministry of Geology and Mineral production, the implementation of industry standards.
本产品由原地矿部唯一指定企业生产，执行行业标准。
The product is produced by the only enterprise designated by the former Ministry of Geology and Mineral Resources, in compliance with the Industrial standards.
本产品由原地矿部唯一指定企业生产，执行行业标准。
The product is made by the only manufacturer designated by the former Ministry of Geology and Mineral Resources, in compliance with the Industrial standards.
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