report qingdao xinyuanda engineering equipment co., ltd. is a professional manufacturer and manufacturing company. 2 worm gear screw lift, non-standard screw lift, non-standard electric push rod, secondary envelope reducer, solar slewing reducer and other products are widely used in speed reduction devices in various industrial departments such as metallurgy, mining, overweight, transportation, petroleum, chemical industry, textile, pharmaceutical, food, light industry, etc. 30 lu
