Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Model Number:


Rated Power:


Gearing Arrangement:


Output Torque:


Input Speed:

less 1500rpm

Output Speed:




Oil Seal Name Brand:


Body Material:

Lightweight Aluminum Alloy

Installed Location:



Synthetic & Mineral

Supply Ability

Supply Ability:
12000 Piece/Pieces per Month

Packaging & Delivery

Packaging Details
1.Inside :Plastic bags with Chemical Desiccant For Speed Reducer

2. Middle :Individual Carton packaging For Speed Reducer

3. Outside :Wooden Box For Speed Reducer”>Safety Packing Method

1.Inside :Plastic bags with Chemical Desiccant For Speed Reducer

2. Middle :Individual Carton packaging For Speed Reducer

3. Outside :Wooden Box For Speed Reducer
Shanghai or Ninbo
Lead Time
Shipped in 25 days after payment

Online Customization

LowerTemperature Range : -25degree centigrade

Upper Temperature :+50degree centigrade


Assembler with 20 years experiences for Speed reducer & Gearboxes .

Little Space AndVolume

NMRV worm speed reducer &gearbox

1.High efficiency,low noise
2.Easy installation
3.15 years exprience
4.Safe, reliable,

RV Series Worm gearbox

NMRV Series Worm Gear Speed reducer

1) High quality aluminum alloy die cast gearbox

2) High accuracy worm gear and worm shaft

3) Less noise and lower temperature increase

4) Easy mounting and linking, high efficiency

5) Power: 0.06 – 15kW

6) Output torque: 2.7 – 1,760N.m

7) Transmission rate: 5 – 100 Inner packing: CartonOuter packing: Wooden case

Customers form Helan in 2014 PTC Aisa Exhibition Conversation for future coorperation .

Detectingsystemfor sealability

Followed specific matched data and size for speed reducer

Our Services

(1) With excellent quality and Reasonable factory price.
(2) Promise to delivery on time.
(3) Safe, reliable, economical and durable.
(4) Stable transmission, quiet operation.
(5) High heat-radiating efficiency, high carrying ability.
(6) Every product must be tested before sending.

(7)Excellent team here.

(8)OEM supplier for 16 years in China.

Product detail

Material Construction
Worm gear Inner side: nodular cast iron QT500
Outter side: 9-4 bronze
Worm shaft 20 Cr steel with carburizing process to make it harder
Hardening degree: surface HRC56-62
inner HB220 to 260
Carburizing depth: 0.3mm to 0.5mm
Housing ADC12 aluminium alloy for WXRV30-WXRV090
HT200 cast iron for WXRV110-WXRV130
Bearing HCH bearing
Oil seal SKF seal for input
NAK seal for output
Oil Synthetic or mineral

Appearance of the OEM factory

Inside of the OEM factory

Products Show



1. Q: What’s type of your company?

A: 1)We are manufacturer .

2)We have been OEM gearboxes supplier for 16 years in China.

2. Q: what should I provide when I choose gearbox/speed reducer?

A: 1)Model No

2) Ratio


4) Your local Zip Code and City Name if your order quantity is less than 10 PCS.

Pls contact me without anyhesitation,

business start with communication,right?

Hope our OEM factory with 16 years in China

can have a good cooperation with you in the future.