We are professional Gearboxes manufacturer with more than 10 years experience in China. Advanced production equipment ensured the high precision gear transmission products. Main products: ZLYJ Series speed reducer for single-screw plastic extruder; the transmission box for SZ cone twin-screw extruder; cylindrical gear reducer ZDY, ZLY, ZSY serious gearboxes are widely used in construction, transportation, chemical, textile etc. Our gearboxes has exported to Western Europe, South Asia, Southern E