Company name: Hangzhou NaYuan Transmission Machinery Co., Ltd

Address: Dengta Village, Yipeng Town, Xiaoshan District, Hangzhou City, Zhejiang Province, China. 

Quantity of employees: 101-200 employees

We are a professional manufacturer of NRV 025 30:1 high quality aluminium alloy gearbox, small worm gearbox , passed the certificate of ISO9001 quality management system. All the products have the approval of SGS.

"NaYuan" as a famous brand in Hangzhou China, exports its products to more than 10 countries and regions, including Southeast Asia, Europe, Australia, Africa, Middle East, America, etc.

We deeply appreciate all our friends and hope to make further cooperation.

Our Characteristics: extensive experience with OEM, more than 3 year’s skilled worker of NRV 025 30:1 high quality aluminium alloy gearbox, small worm gearbox.

Delivery Time: 7-15 workdays after receive 30% deposit.

24-hour self-service center.

Quality guaranteed

Support Factory Visit

Technology Supports

1. Our NRV 025 30:1 high quality aluminium alloy gearbox, small worm gearbox is made of high quality aluminum alloy, light in weight and non-rusting

2. Large in output torque

3. Our aluminium alloy gearbox, small worm gearbox is smooth in running and low in noise, can work long time in dreadful conditions

4. High in radiating efficiency

5. Good looking in appearance, durable in service life and small in volume

6. Suitable for Omnibearing installation

1. Housing: die-cast aluminum alloy (Housing size: 025-090); cast iron (Housing size: 110-150)

2. Shaft: 20Cr, carbonize and quencher heat treatment make the hardness of gear tooth surface up to 56-62 HRC, retain carburization layer’s thickness between 0.3-0.5mm after precise grinding

3. Worm Wheel: Wearable bronze alloy

For Aluminum Alloy Housing:

1. Shot blasting and special antiseptic treatment on the aluminum alloy surface of aluminium alloy gearbox, small worm gearbox

2. After phosphating, paint with blue or sliver.

For Cast Iron Housing:

Before paint with blue or sliver, need paint with red antirust pain first.

1. Please confirm Gearbox Type and Ratio;

2. Standard packing of  aluminium alloy gearbox, small worm gearbox is wooden case;

3. Shipment: By sea, by air or others, depend on you;

Our Superiority

1. Delivery on Time;

2. Professional Service: Customized is our advantage;

3. Good Quality:  ISO 9001 Certificated;

4. Fast and Low Cost Deliver:  Long-term cooperated shipping forwarders;

Before Transfer

1. Checking Oil leakage by Leak Tester

2. Checking Overheating & Noise

Our main products are gearbox, reducer, gear, worm, worm gearbox, worm reducer, speed gearbox, transmission, drive part, motor, coupling, planetary gearboxes, helical gearboxes, Sprockets Gears and Racks, variators, Timing Belt Pulleys and v pulleys and sheaves, shaft collars and motor bases, Chains and Belts, shaft and agricultural gearboxes, Bushes and Hubs Couplings, screw jacks and housing. Kindly, if you need Gearbox, please send us the Model, Ratio and Quantity. Then I will give you the best offer.