Founded in 2012, Changsha Dewater Machinery is Hunan's first manufacturer of emergency water supply and drainage equipment, offering R&D, production, sales, and service.

Are your products easy to operate?

Yes, our smart, lightweight products are operable by one person and usable wherever people can walk. We pioneered portable drainage pumps, cutting weight from 370kg to 37kg.

How should I contact you?

Contact our Sales Manager or email us by clicking the Contact Supplier button.

Are you looking for distributors?

Yes, we seek distributors abroad. Please contact us for more information.

High-Performance Bqs 400-300 Mine Drainage Pump for Water Management

Name: High-Performance Bqs 400-300 Mine Drainage Pump for Water Management
Brand: Changsha Dewater Machinery Technology Co., Ltd.
SKU: 2294313925

Hunan, ChinaChangsha Dewater Machinery Technology Co., Ltd.

US$40,499.00

1-4 Pieces

US$40,199.00

5-9 Pieces

US$38,999.00

10+ Pieces

Product specifications

BQS 400-300

Sample price:US$40499.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

All Day Professional Aftersales Service

Warranty

Except for Vulnerable Parts, Our Products Come Wi

Model NO.

BQS 400-300 Mine Pump

Max.Head

300m

Max.Capacity

400m³/H

Driving Type

Permanent Magnet Motor

Material

Aluminum Alloy

Structure

Permanent Magnet Submersible Pump

Assembly

Liquid Pumps

Power

Electric

Start Up

Electric Pump

Type

Blade Pump

Application

Submersible Pump, Clarified Water Pump, Sewage Pump, Mine Pump

Industry

Mechanical Pump

Media

Submersible Water Pump

Performance

Submersible Water Pump

Theory

Permanent Magnet Motor

Product Name

Bqs 400-300 Mine Pump

Brand

Dewater

Model Number

Bqs 400-300

Color

as Pic

Pressure

High Pressure

Weight

1200 Kg

Outlet

200mm

Rated Power

2.2-315 Kw

MOQ

1 Set

Features

Power-Saving, Stable Head, Exd I Coal Safety Certi

Shipping

Air,Sea,Express

Delivery Time

15-30days

Usage

Flood Prevention,Drought Rrelief, Urban Drainage

OEM

Welcome

Certificate

Exd I, Ma

Transport Package

Wooden Box

Specification

230*464mm

Trademark

Dewater

Origin

China

HS Code

8413709190

Production Capacity

50000 Set/Year

Key features

High Efficiency & Energy Saving: Saves 15%+ energy compared to asynchronous pumps with high efficiency.

Explosion-Proof Certification: Equipped with Exd I explosion-proof certification for safe coal mine use.

Lightweight & Portable Design: Weighs ~1,200kg, easy to transport and deploy in harsh environments.

IP68 Protection Level: Fully submersible with IP68 protection for reliable underwater operation.

Low MOQ for Orders: Minimum order quantity is just 1 standard pump set.

Professional After-Sales Service: All-day professional aftersales service and 24/7 technical support.

Trusted Manufacturer: National high-tech enterprise with 72 R&D patents and CNAS testing.

Company profile

Patents AwardedQuality AssuranceR&D CapabilitiesProduct Certification

Changsha Dewater Machinery Technology Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤6.67h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad trading scope across pumps, vacuum equipment, generators, environmental equipment, mechanical and electrical equipment, valves, instruments, and related products. It reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and UL certifications, plus documented quality, complaint-handling, corrective-action, inspection, and supplier-assessment procedures. R&D evidence is positive: the supplier reports new products within the past year, ODM services, and multiple customization modes. However, manufacturing capacity is not fully established because no valid contract exists between the factory and related subcontractors. The supplier reports inventory capability but no overseas warehouse, showroom, agents, branches, or overseas service countries. Financial information is insufficient for a positive assessment because the provided records contain zero values for several financial metrics without explanatory context. No customer cases are provided.

Supplier typeThe supplier’s stated business scope covers sales of pumps, vacuum equipment, generators, environmental protection and emergency equipment, mechanical and electrical equipment, components, underwater systems, automobiles, valves, instruments, diving rescue equipment, and computer software and hardware. This supports classification as a broad equipment and industrial-product trading supplier, but the slices do not explicitly establish it as a manufacturer.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, along with CE and UL product certification capability. These are explicit certification-related credentials and support a positive assessment for this field.

After-Sales capabilityThe supplier has documented corrective and preventive action and customer-complaint procedures with follow-up records, written supplier-service assessment procedures, inventory capability, and prior participation in the 2025 Intersec Dubai offline trade show. However, it reports no overseas warehouse, showroom, agents, branches, or overseas service countries, limiting its demonstrated international service coverage.

R&D capabilityThe supplier reports that it had new products during the past year and provides ODM services, indicating active product-development capability. CE and UL capability is also reported, although these certifications do not independently prove innovation performance.

Production capacityThe supplier reports quality assurance, standardized finished-product inspection instructions, inventory capability, and stated lead times of within 15 working days to one month. However, it explicitly reports no valid contract between the factory and related subcontractors, so manufacturing capacity and subcontracting control are not fully established.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports ODM services, providing direct evidence of a broad customization offering.