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China's machine tool industry has achieved innovations in key parts
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One of the major production costs of rod pumping is the cost of getting down and repairing sucker r ...MORE...
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More than 700 enterprises on both sides of the Taiwan Strait participated in the first Cross-Stra ...MORE...
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Although various hardware hand tools produced in China have been widely used in various industrie ...MORE...
On the occasion of the 89th anniversary of the founding of the Communist Party of China, the comp ...MORE...
Shandong Lufeng Rotary Kiln High-temperature alumina powder production line put into operation
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Japan Developed a Fruit Fuel Cell Apple Power Supply Lamp Lights Up One Night
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