DHP series low speed endless chain electric hoist 1)lifting speed:0.09meter per minute 2)moter speed:720round per minute ... includes: hook series, chain series, ring series, link series, turnbuckle series, shackle series, sling series and some other riggings.DHP series low speed endless chain electric ... Zone, Baoding City, which is near Beijng3)lifting speed :0.09 meter per minute or 0.18meter per ...