What comprehensive after-sales service policy do you offer?

Based on your order quantity, we provide complimentary spare parts or controllers for maintenance or replacement. Additionally, we offer thorough technical training to empower your team.

How can I be assured of your reliability and trustworthiness?

With over 15 years of dedicated experience in manufacturing and selling pump control panels, we have established a firm reputation. Numerous pump suppliers globally entrust our controllers to safeguard their systems.

L921 Plus Electrical Control System for Single Phase Drainage Water Pump Control Box

Name: L921 Plus Electrical Control System for Single Phase Drainage Water Pump Control Box
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 2233071915

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

US$93.90-96.90

6 Pieces

Sample price:US$96.90/piece.Request sample

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

L921 PLUS

Mathematical Model

Non-Linear

Signal

Continuous

Function

Automatic Control

Certification

ISO: 9001, CE

Condition

New

Customized

Material

ABS

Transport Package

Paper Carton

Specification

6 pcs/carton

Trademark

Neutral

Origin

China

HS Code

9032899090

Production Capacity

100000PCS/Year

Key features

Smart Automatic Control: Fully automatic single-phase pump controller with built-in water level control for seamless operation.

Comprehensive Protection: Features overload, dry run, under/over voltage, stall, and temperature protection for safety.

Versatile Application: Suitable for drainage, booster, water supply, and sewage management in residential and industrial settings.

Robust Weather-Proof Design: Housed in a durable ABS enclosure with IP54 rating for reliable outdoor installation.

Advanced Connectivity: Supports 4-20mA transmitters, float switches, and RS485 port with up to 1000m transmission distance.

Customizable Options: Product is fully customized, allowing for tailored solutions to meet specific client requirements.

User-Friendly Interface: LCD screen displays real-time status, fault records, and running time with settable parameters.

Long Lifespan: Expertly designed control panels boast a robust lifespan of up to 8 years for long-term reliability.

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: ≤7.07hTerms 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 have some samples?

Absolutely! We are pleased to provide samples for testing. Please contact us to learn more about the details.

Q:What's the delivery time?

For our standard pump control panels, the typical delivery time is approximately 7 working days. For customized, non-standard solutions, it usually requires 15-20 days.

Q:Can I leverage OEM or ODM services?

Certainly, with our dedicated engineering team, we welcome OEM and ODM requests, though they are subject to an order quantity requirement.

Q:How does your factory ensure quality control?

Our production process is meticulously aligned with ISO standards. Every step, from raw material selection to assembly, undergoes stringent quality control. Each unit is fully assembled, rigorously tested, and carefully packaged before shipping.

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

Our expertly designed control panels boast a robust lifespan of up to 8 years, ensuring long-term reliability and efficiency.