中文字幕在线永久_国产黑色丝袜精品久久_国产高清精品91精品_日韩先锋中文字幕_国产一卡二卡传媒

　　We have more than 50 processing equipment, including German DMG five-axis machining center, Italian PAMA boring and milling machining center, German NILES grinding machine and other advanced equipment, as well as German Schenck dynamic balancing machine and other internationally advanced processing equipment.
　　
　　We are capable of processing various integral gears with a diameter of up to 2 meters, unlimited module, precision up to DIN-3 level, tooth surface hardness up to HRC58-62.
　　
　　We have mastered the technology of processing herringbone gears without back-cutting grooves and spiral bevel gear single matching processing.