What is the after-sales service policy?

We provide free spare parts or controllers for maintenance and technical training based on order quantity.

How can I trust your company?

We have 15 years of experience, and many global suppliers use our controllers.

Where is your location and how to reach?

Located in Changsha. 1 hour by air from Guangzhou; 1.5 hours by air from Shanghai.

L921 Plus Single Phase Drainage Pump Control Box with IP54 Automatic Pump Control

Name: L921 Plus Single Phase Drainage Pump Control Box with IP54 Automatic Pump Control
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 2105194275

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

IP54 Weather-Proof Design: ABS enclosure ensures reliable operation in harsh outdoor environments.

Multi-Scenario Control: Supports drainage, booster, and water supply via 4-20mA, float, or pressure switches.

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

Smart LCD Interface: Displays real-time status, fault records, running time, and allows easy parameter setting.

Customizable OEM/ODM: Accepts OEM and ODM orders with dedicated engineering team support.

Extended Communication: RS485 port and remote control options with signal transmission up to 1000m.

8-Year Design Life: Engineered for durability with a designed lifespan of 8 years.

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

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: ≤6.91hTerms 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.