Does your gear quality compare to other companies?

Yes, we make the gear our own. JS gear is skewed tooth and being heat treatment processed which guarantee stable performance and long life time. But many company don't use such gear because this gear need high-precision process. We make the gears with CNC machine.

Is your company ISO registered and approved?

Yes, we have got ISO, CE and SGS certificates.

Js550 Variable Speed Polisher Polishing Concrete

Name: Js550 Variable Speed Polisher Polishing Concrete
Brand: Shanghai Jiansong Industry and Trade Co., Ltd
SKU: 1940932701

Shanghai, ChinaShanghai Jiansong Industry and Trade Co., Ltd

US$1,000.00-5,000.00

1 sets

Product profile

Customization

Available

Type

Disc Grinder

Power Source

Electricity

Model NO.

JS550

Object

Saw Blade

Application

Construction

Disc(Wheel) Type

Grinding Disc

Material

Aluminum Alloy

Working Style

High-speed universal

Disc Diameter

230mm

Variable Speed

With Variable Speed

Product

Concrete Polishing Machine

Unique Selling Point

High Digging Power

Name

Double Head Grinder

Voltage

220V

Polishing Speed

0-1800 Rpm

Product Name

Concrete Grinder

Core Components

Bearing, Gearbox, Motor

Advantage

Light Weight Grinder

Working Width

550mm

Plate Systems

2*300mm Plates

Power

4kw

Transport Package

Wooden Case

Specification

85*70*110cm

Trademark

JS Floor Systems

Origin

Shanghai, China

HS Code

8464209000

Production Capacity

50 Set/Sets Per Month

Key features

Variable Speed Control: Adjustable speed from 0-1800 rpm for versatile grinding and polishing tasks.

Dual Functionality: Capable of both wet and dry polishing, as well as grinding and polishing.

High Efficiency Design: 550mm grinding width offers higher efficiency than single disc floor grinders.

Durable Construction: Aluminum integral casting gearbox and CNC-machined parts ensure long lifetime.

Portable & Lightweight: Compact design at 165KG with lifting jack for easy delivery and handling.

Customizable Tooling: Grinding plates can be customized based on specific diamond types.

Integrated Dust Control: Equipped with 50mm dust port, dust skirt, and suction pipe for industrial vac.

Proven Track Record: Classic model since 2009 with 11 years of design and manufacturing experience.

Company profile

Shanghai Jiansong Industry and Trade Co., Ltd

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with construction engineering and machinery-related business scopes, offering floor grinders, vacuums, scrubbers, polishers, and diamond pads. It demonstrates broad customization, recent new-product activity, ODM capability, and OEM service for well-known brands. Quality controls include 100% finished-product inspection, three QA/QC inspectors, a quality assurance system, and documented complaint handling. However, raw-material traceability is absent, no certification information is provided, and overseas infrastructure is limited to agents or branches, without overseas warehouses or showrooms. Financial records are referenced for 2021–2023, but no financial performance details are available. Customer-case evidence is limited to stated OEM service for well-known brands and an own-brand product line.

Supplier typeThe supplier is identified as a limited company and a combined entity, with business scopes covering construction works, construction engineering design, construction machinery manufacturing and sales, general equipment manufacturing, and related machinery and building-material sales. Its listed products include floor grinders, floor vacuums, floor scrubbers, floor polishers, and diamond pads.

After-Sales capabilityThe supplier provides overseas repair and maintenance services in Russia and can operate through overseas agents or branches. It has no overseas warehouse or showroom, while customer complaints are managed through a clear procedure with follow-up records, indicating documented complaint-handling capability but a limited overseas physical service presence.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services. It does not have an available SDK, but the slices still provide explicit evidence of product development and design capability.

Production capacityProduction-related evidence includes an assembling line, 100% finished-product inspection, three QA/QC inspectors, 25 qualified service-capability suppliers, and stated average lead times within 15 workdays to one month in both off-season and peak season. Supplier-service assessment has records but no written procedure, and the corrective/preventive-action mechanism is listed as other, indicating capability with some process documentation limitations.

Customization capabilityThe supplier explicitly supports customization from designs and samples, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad customization and original-design support.

Client casesThe supplier states that it provides OEM services for well-known brands and has participated in The World of Concrete trade show. It also identifies the own-brand product line FLOOR SYSTEMS JS, but no customer names, project details, order records, or independently verifiable case studies are provided.