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Tai'an science and Technology Award (YT1084)
Shandong Enterprise Technology Innovation Award Certificate (ZL60L construction machinery drive axle)
Shandong Enterprise Technology Innovation Award Certificate (ZL25 construction machinery drive axle)
Certificate of Shandong Enterprise Technology Innovation Award (ZL15J-1 two busy driving axle assembly)
Certificate of Shandong Enterprise Technology Innovation Award (YT1084 tractor front steering axle)
Certificate of Shandong Enterprise Technology Innovation Award (WZZD excavating loader steering axle)
Certificate of Shandong Enterprise Technology Innovation Award (L18S wet loader drive axle for explosion proof loader)
Certificate of Shandong Enterprise Technology Innovation Award (CY20S scraper wet brake drive axle)
Planetary reducer for tractor drive axle with automatic exhaust and pressure relief
Wheel drive deceleration mechanism of steering axle
Parking brake for construction vehicles
Special fixture for machining front steering axle housing of tractor
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