... Strength,Compact Dimension Plastic reducer/gear motor with high quality/(PVC, PP, PE, PA, PC, ABS .etc)Series general helical gear box We ,Lucheng ... reached.7.High EfficiencyThe efficiency of gear unit can reach 95%, The efficiency of worm gear unit can reach 89%.8. ... t hesitate to contact me. Plastic reducer/gear motor with high quality/(PVC, PP, PE, PA, PC, ABS .etc)Series general helical gear box