What is the after-sales service policy?

Based on the ordering quantity, we provide free spare parts or controllers for maintenance/replacement and offer technical training.

How can I trust your company?

We have been manufacturing and selling pump control panels for 15 years. Many pump suppliers from China and overseas use our controllers to control and protect their pumps and motors.

Direct on Line Dol Control Unit for RO Reverse Osmosis RO-3-3

Name: Direct on Line Dol Control Unit for RO Reverse Osmosis RO-3-3
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 734906962

Hunan, ChinaHunan Leading Science & Technology Development Co., Ltd.

Negotiable

10 Pieces

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

RO-3-3

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control, Protection, Monitoring

Certification

ISO: 9001, CE

Condition

New

Customized

Material

ABS

Input Voltage

AC380V 50Hz/60Hz

Phase

Three Phase

Rated Output Power

0. 75-15kw

Protection Grade

IP54

Qty of Controlled Pump

Dual Pumps

Transport Package

Box+Paper Carton

Specification

Big size

Trademark

Leading or neutral

Origin

China

HS Code

9032899090

Production Capacity

60, 000 Sets Per Month

Key features

Customized Design: Supports OEM/ODM with customized input voltage, phase, and power options.

Dual Pump Control: Specially designed for two three-phase reverse osmosis water purification pumps.

Comprehensive Protection: Features overload, stall, dry run, under/over voltage, and open phase protection.

Smart Monitoring: Includes LCD display, RS485 communication, fault recording, and running time stats.

Reliable Durability: Designed for an 8-year lifespan with IP54 protection and wide temperature range.

Quality Certified: Manufactured under ISO 9001 standards with strict quality control processes.

Fast Delivery: Standard panels ship in 7 days; non-standard in 15-20 days.

Technical Support: Provides free spare parts, replacement controllers, and technical training.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Hunan Leading Science & Technology Development Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2005-06-08Nearest Port: Ningbo, Shanghai, GuangzhouAverage Response Time: ≤6.93hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR

AI-Powered supplier vetting

SummaryThe supplier is identified as Hunan Leading Technology Development Co., Ltd., a professional technology provider focused since 2001 on intelligent pump controller production, R&D, global sales, and after-sales service. It provides 3D software design, ODM/OEM, and multiple customization options, supported by documented inspection, corrective-action, complaint-handling, quality-assurance, and traceability procedures. Export experience is stated at 18 years, with exports representing 21%–30% of sales, and standard peak- and off-season lead times within 15 working days. However, the supplier has no available SDK, reported no new products in the past year, lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity contract with its factory and related subcontractors. Evidence is insufficient for certification holding, financial credibility, and customer cases.

Supplier typeThe supplier is Hunan Leading Technology Development Co., Ltd., described as a professional technology supplier focused on pump control and protection solutions, including production, R&D, global sales, and after-sales service. Its company type is recorded as “Combined,” but the exact legal classification is not further explained.

After-Sales capabilityThe company states that it provides after-sales service, maintains in-stock service capacity, and has documented procedures and records for complaint handling, corrective and preventive actions, quality assurance, and traceability. However, it has no overseas agents or branches, no overseas warehouse, no overseas showroom, and reports zero countries with overseas services, limiting demonstrated international after-sales coverage.

R&D capabilityThe supplier is identified as a professional R&D technology supplier and provides 3D software design and ODM services. Nevertheless, it has no available SDK and reported no new products during the past year, so the evidence supports design and development capability but indicates limited recent product innovation.

Production capacityThe supplier reports production operations, documented finished-product inspection procedures, in-stock capability, 18 years of export experience, and lead times within 15 working days in both peak and off seasons. A material control weakness is that the factory and related subcontractors have no valid manufacturing-capacity contract; overseas warehousing is also unavailable.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design and ODM services. It also reports OEM capability for well-known brands, providing direct evidence of broad customization and design-manufacturing support.

Client casesThe supplier states that it provides OEM services for popular brands, which indicates experience serving recognized-brand customers. No specific customer names, projects, products, or verifiable case details are provided, so the depth and quality of customer cases cannot be fully assessed.

Product Q&A

Q:Can I get samples for testing?

Yes, we can send you samples for testing. Please contact us for details.

Q:What is the delivery time?

For standard pump control panels, it usually takes about 7 working days. For non-standard units, it takes 15-20 days.

Q:Do you accept OEM or ODM orders?

Yes, we have our own engineering team and accept OEM and ODM orders, subject to a minimum ordering quantity requirement.

Q:How do you ensure product quality?

Our production process follows ISO standards. We control quality from raw materials to finished products, and each panel is fully assembled and strictly tested before shipping.

Q:What is the expected lifespan of the control panel?

The designed life time of the control panel is 8 years.