Lightweight Electric Hand-Push Floor Grinder Tool
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Product Highlights
- Dust-Free Operation: Equipped with a dust removal device connectable to an industrial vacuum cleaner.
- Dual Power Socket Design: Special socket for vacuum cleaner avoids needing two separate power cords.
- Variable Speed Control: Features variable speed ranging from 300 to 1500 r/min for different tasks.
- Multi-Purpose Application: Suitable for leveling, polishing, stain removal, and coating treatment on various floors.
- High Efficiency Grinding: Lightweight and flexible design ensures high work efficiency and low labor intensity.
- Customizable Grinding Discs: Offers coarse, medium, and fine diamond grinding discs for different ground conditions.
- Stable and Reliable: Stable operation ensures project quality is not damaged during use.
- OEM and ODM Services: Provides full customization, minor customization, and flexible customization options.
Product Attributes
- Customization
- Available
- Type
- Disc Grinder
- Power Source
- Electricity
- Model NO.
- DJ-330
- Object
- Saw Blade
- Application
- Food
- Disc(Wheel) Type
- Grinding Disc
- Material
- Metal
- Working Style
- Centrifugal
- Disc Diameter
- 330mm
- Variable Speed
- With Variable Speed
- Automatic Grade
- Automatic
- Brand Name
- Dajia
- Voltage
- 220V
- Power(W)
- 4000
- Core Components
- Engine, Gearbox, Motor, Pressure Vessel
- Place of Origin
- Henan, China
- Weight
- 145 Kg
- Warranty
- 1 Year
- Unique Selling Point
- High Power Engine
- Video Outgoing-Inspection
- Provided
- Machinery Test Report
- Provided
- Product Name
- Hand Push Concrete Grinder
- Grinding Discs Type
- Diamond/Metal/Resin
- Working Width
- 330mm
- Motor
- Cooper Wire Motor
- Transport Package
- Wooden Box
- Specification
- 145kg
- Trademark
- Dajia
- Origin
- China
- Package Size
- 120.00cm * 70.00cm * 120.00cm
- Package Gross Weight
- 260.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Product Description
A grinder is a mechanical device used to grind and process pavement materials. It is mainly used to remove surface materials from the road, such as old asphalt and concrete coatings, or grind and level uneven pavement. It can also be used to grind away stains, marks, etc. on the road. It plays a key role in the renovation, restoration and surface treatment of roads.
type application:
☆Leveling, grinding and polishing of cement floors, terrazzo floors, aggregates, flint or granite, etc.
☆Sanding of the epoxy middle layer; smoothing rough surfaces or trowel marks.
☆Coating surface treatment, removal of surface adhesives and coating defects.
☆Remove defects on the mortar surface and smooth out raised patches.
☆Remove paint, polyurethane, epoxy resin, etc. from the floor surface.
☆Cleaning, waxing and polishing of hardened floors.
The concrete grinder can effectively grind the concrete surface, epoxy mortar layer and old epoxy floor. It has the characteristics of lightness, flexibility and high work efficiency. With a vacuum cleaner power socket, the vacuum cleaner power cord can be directly connected to the grinder,avoiding the trouble of needing 2 power cords when working. Equipped with special grinding discs, it can also be used for ground renovation and polishing. It is truly a multi-purpose machine, and it is an ideal equipment for floor engineering treatment.
Product structure chart
Product Advantage





Product advantage
1. A dust removal device is designed, which can be connected to an industrial vacuum cleaner for dust-free operation.2. The fuselage provides a special power supply socket for the vacuum cleaner, which avoids the trouble of needing 2 cables during operation, which is convenient, simple and safer.
4. Provide coarse, medium and fine diamond grinding discs, users can choose according to different base grinding ground.
| Model number | 220 | 380 |
| Motor powe | 4kw | 5.5kw |
| Suction power | 0.75kw | 0.75kw |
| Operating voltage | 220v | 380v |
| Working diameter | 330mm | 500mm |
| Number of disks | 3 | 4 |
| Disk speed | 750 r / min | 300-1500r / min |
| Weight | 145kg | 195kg |
Our Services
With Service on demand, our team of specialized technicians is always just a call away, ready to support you whenever you need it.
Minimized Downtime
With Field Service readily available on demand, customers can expect quicker response times to address design, production and export. This translates to reduced downtime for their equipment, keeping operations running smoothly and efficiently.
Expert Technical Guidance
Through remote and site-based technical support, customers gain access to a team of skilled specialists who can provide real-time assistance and solutions.
Peace of Mind
Knowing that our team of experts is readily available for support. You can rely on a trusted partner to ensure you project is well-maintained and supported, allowing you to focus on your core business operations.
Company information
Henan Dajia Mining Machinery Co., Ltd. is one of share-holder enterprises in China, which is focus on mining machinery, complete sets of processing equipment, rotary kiln project. Our main products include crushers, ball mill, rotary dryer, Powder Grinding plant, drying plant, stone crushing & washing plant, etc. We regard demands of customers as our motility and endlessly develop new products with high performance, which could satisfy the demands of customers and reach the world level.
We attach much importance to the quality of products, pursue perfection on the quality products and guarantee to produce the products of high quality with ISO9001:2000 quality management system.Our production bases occupy a land area of 38000 square meters. It mainly consists of three workshops measuring 27000 square meters in total and one four-floor office building. Three are actually four such production bases under the company name, three in Henan Province.

With the rapid development of market home and abroad, our competitive ability enhances continuously, and our products have been broadly applied in the national key projects. In the course of construction of the national expressway network and the large-sale hydropower station, we offer the self-contained crushing plants lots of whole set of crushing and screening production lines, which could offer concrete aggregate of high quality.While expanding the domestic market continuously, our equipment has been exported to Russia, Mongolia, Chile, Middle and East Asia, Africa, etc.
1. Q: Are you trading company or manufacturer?
A: We are original equipment manufacturer.
2. Q: How long is your delivery time?
A: it is according to the model and quantity. Generally it is 3-5 days if the machines are in stock. it will be 15-30days if you want to customize the machines
3. Q: Do you provide samples? ls it free or extra?
A: Yes, we could offer you the sample machine. But it's not free, you need to pay for the sample and the cost of freight.
4. Q: What is your terms of payment?
A: We accept T/T, Westem Union, Money Gram, Paypal, etc
Payment<=USD 10000,100% in advance. Payment>=USD 10000, 50% T/T in advance, balance before shipment.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR269268". Items marked "" are certified.
Company Profile
Henan Dajia Mining Machinery Co., Ltd., established in 2000, is a large-scale comprehensive enterprise integrating R&D, manufacturing, and sales of engineering equipment. Located in Zhengzhou, a national central city in China, the company has experienced nearly 20 years of rapid development. With strong technical capabilities, complete processing equipment, and comprehensive testing methods, we specialize in the research and manufacturing of road machinery, tunnel shotcrete support equipment, bridge equipment, engineering grouting pumps, and mining engineering equipment. Through countless improvements, we have achieved precision quality, stability, and reliability. We offer 8 major product series and over 100 product models, providing one-stop pre-sales, in-sales, and after-sales service, serving the global market.
Guided by the principle of "superior factory, superior products, superior quality, and superior price, " our customers are located worldwide. Our products have been exported to more than 20 countries and regions, including the United States, Australia, Italy, France, Iraq, Nigeria, Chile, Peru, Colombia, Malaysia, and Mexico. We have over 200 employees and an annual sales revenue exceeding US$25 million, with 70% of our products exported globally. We possess complete production facilities and an excellent quality control system throughout all production stages to ensure customer satisfaction. We are ISO9001 certified.
In recent years, our products have maintained a leading position in the industry due to their high technology, high reliability, and low operating and maintenance costs. Our products have been applied in international mining and construction industries in more than 100 countries. We have an experienced and skilled sales and service team and a comprehensive sales and service network. With high-quality products and sincere service, we have earned recognition and praise from our customers, the mining industry, and our competitors.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We look forward to establishing successful business relationships with new clients around the world in the near future.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- West 500M Of Rizhao Road And Gongye Road, Mazhai Industrial Park, Zhengzhou, Henan
-
Plant Area
- 2537 square meters
-
Number of Employees
- 11
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, PayPal, D/P, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao port
-
Minimum Order Quantity
- 1 set
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Mining Machinery, Construction Machinery
-
Production Lines
- 2
-
Production Machines
- Cutting machine, Bending machine, Shearing machine, Milling machine, Gantry machining center, CNC machining center
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-05-02
-
Export Year
- 13 years
-
Main Markets
- Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Are you a trading company or manufacturer?
- We are original equipment manufacturer.
- How long is your delivery time?
- Generally 3-5 days if machines are in stock. It will be 15-30 days if you want to customize the machines.
- Do you provide samples? Is it free or extra?
- Yes, we could offer you the sample machine. But it's not free, you need to pay for the sample and the cost of freight.
- What is your terms of payment?
- We accept T/T, Westem Union, Money Gram, Paypal, etc. Payment<=USD 10000, 100% in advance. Payment>=USD 10000, 50% T/T in advance, balance before shipment.
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