QJ/QJR/QJS/QJL/QJT Series Vertical Speed Reducers 

They are used  for each operation mechanism of crane, also widely used in transportation, metallurgy, mine, chemical industry, light industry and other mechanical transmission mechanism.

Working Conditions:

1. gear circumferential speed of not more than 16m/s;

2. high-speed shaft speed of not more than 1000r/min;

3. working environment temperature is -40-45C;

4. two opposite direction.

Features: 

1. gear ratio range of 10-200;

2. high transmission efficiency, two levels up to 96%, three up to 94%;

3. smooth running, low noise;

4. because of the use of 42CrMo 35CrMo by forging, quenching and tempering,  and gear shaft and the gear  are produced respectively, so the service life is long and bearing capacity is ; 

5. easy dismantling and installation. ♦OEM Service

We can be your OEM supplier to meet your special requirements and customize your

desired models.

♦Packaging Service

Your goods will be packed properly and safely.

♦Shipping Service

We will recommend you the safest, fastest and cheapest shipping way.

♦Delivery Service

We promise to deliver your goods in shortest time. 

♦Response Service

We ensure to answer your enquiry online within 12 hours.

♦After Sales Service

Any problems in the process of using will be solved by our highly skilled service engineers rapidly.

♦Warranty

 One year. Free spare parts will be provided as non-artificial quality reason within 12 months.

Q1: What's your business type?

A: We are a manufacturer, and also have import & export trading right.

Q2: What's your main products?
A: Power transmission gearboxes. 
Such as: industrial  gearbox, worm/helical/bevel/cycloidal pin wheel gearbox, heavy duty gearbox, gearbox for crane/extruder/excavator/rolling mill/cement mill, etc.

Q3: What about your warranty?

A:12 to 18 months warranty according to different products and lifetime service.

Q4: What's your MOQ?
A: 1 set for different kinds of gearboxes.

Q5: Can you supply customized gearboxes?
A: Yes, we can customize any kinds of gearboxes as per your requirements or drawings.

Q6: What information should be given, if I want to buy gearboxes?
A: Type, speed ratio, input / output speed, rated power, mounting position,service factor and application. It is very nice if you can supply some pictures or drawings.

Q7: If we don’t find what we want on your website, what should we do?
A: We offer three options:
1, You can email us the pictures, drawings or description details. We will try to design your products on the basis of our standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special use successfully, such as special gearbox for agitator, cement conveyor and so on.