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Product profile
Customization
AvailableApplication
Motor, Machinery, Agricultural Machinery, Transmission EquipmentHardness
Hardened Tooth SurfaceModel NO.
RV seriesInstallation
90 DegreeLayout
Right AngleGear Shape
WormStep
Single-StepType
Worm ReducerTransport Package
Carton/Plywood CaseSpecification
RV030-RV150Trademark
SLEROrigin
ChinaHS Code
84834030Production Capacity
300pieces/DayKey features
High Quality & Short Delivery: Benefit from high quality construction and short delivery time for RV series worm gearboxes.
Bidirectional Rotation: The gearbox can rotate in both directions and contains one oil filling at delivery.
Wide Model Range: Available in models NMRV25 to NMRV150 with transmission ratios from 7.5 to 100.
OEM/ODM Support: Professional R&D department for customized design based on drawings, samples, or bulk purchasing needs.
Trial Order Accepted: Glad to accept trial orders of 1 pc per item for quality testing purposes.
One Year Warranty: One year's warranty against B/L date with free spare parts or new products for quality issues.
Flexible Payment Terms: Support various payment methods including T/T (30%+70%), L/C, and D/P.
Custom Model Selection: Assist in selecting models based on motor power, output speed, ratio, and application details.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2022-08-29Nearest Port: Ningbo, Shanghai, YiwuAverage Response Time: ≤4.86hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummarySLER Transmission Devices (Hangzhou) Co., Ltd. is identified as a Chinese manufacturer/factory and limited company producing industrial gearmotors, gear reducers, and related transmission equipment. Evidence indicates five production lines, a 10,000 sqm production facility, CNC and gear-processing equipment, annual output of 45,000 helical gear reducers, and ISO 9001 quality management certification. The supplier reports 7–12 days for regular models in one description and within 15 workdays for both off-peak and peak periods in another. Its modular product design supports case-by-case solutions, while in-house final assembly and stated product configurations indicate customization potential. R&D experience and quality-control staffing are documented, but after-sales service arrangements and customer cases are not provided. Financial information is limited to registered capital data, which is not sufficient to establish overall financial credibility.
Supplier typeThe supplier is described as a manufacturer/factory and a limited company based in Hangzhou, China. Its stated business scope and product keywords center on industrial gearmotors, gear reducer units, worm gearboxes, and related machinery components.
CertificationsThe supplier explicitly reports ISO 9001 certification and states that quality is controlled through 48 inspections covering factors such as dimensional tolerance, load, noise, hardness, and appearance. This provides direct evidence of a documented quality-management system.
R&D capabilityThe supplier reports 6–10 years of R&D engineer experience, modular-design gear reducers, variable configurations across five product categories, and CNC, gear hobbing, and grinding equipment. These facts support product-development and engineering capability, although no patents, new-product history, or quantified R&D results are provided.
Production capacityProduction evidence includes a 10,000 sqm facility, five production lines, CNC and gear-processing machinery, in-house final assembly, and reported annual output of 45,000 helical gear reducers. The supplier also states lead times of 7–12 days for regular models and within 15 workdays during both off-peak and peak periods.
Customization capabilityThe supplier states that modular-design gear reducers are configured with customers case by case to identify suitable solutions, and it offers multiple gearmotor and gearbox series with variable configurations. This is explicit evidence of product configuration and customization capability, though the scope of fully bespoke engineering is not specified.
Product Q&A
Q:How can I pay for my order?
A:
You can pay via T/T (30%+70%), L/C, D/P, etc.
Q:How do you guarantee the quality?
A:
We provide a one-year warranty against B/L date. If quality problems occur, send pictures or videos for verification, and we will send spare parts or new products to replace them. This guarantee does not cover inappropriate operation or wrong specification selection.
Q:How should we select the right models and specifications?
A:
Email us the series code and requirement details such as motor power, output speed or ratio, service factor, or your application. Providing as much data as possible, including pictures or drawings, is helpful.
Q:What if we don't find the product we want on your website?
A:
We offer three options: 1. Email us pictures, drawings, or descriptions to design products based on standard models. 2. Send samples for OEM/ODM customized design for bulk purchasing. 3. Develop new products if they have good market potential.
Q:Can we buy 1 pc of each item for quality testing?
A:
Yes, we are glad to accept trial orders for quality testing.
Send Inquiry
*To:
SLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.
SLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.*Content:
Supplier replies will be sent to your registered email
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