Customized Services
We provide you with functional adjustments, product customization, OEM/ODM, and private label services.
HW350 Concrete Floor Grinder, 4KW motor, 350MM triangular grinding disk, internal and external dust suction design optional, suitable for wet and dry construction, environmentally friendly and efficient, widely used in concrete floor grinding.
HW350 concrete floor grinder series consists of two different dust extraction designs: internal dust extraction (HW350A) and external dust extraction (HW350D). Both machines have a powerful 4KW motor and a 350MM triangular grinding disc designed to provide an efficient and environmentally friendly grinding solution for concrete flooring projects. Whether dry or wet grinding, HW350 series can provide you with a smooth and efficient working experience for grinding and leveling concrete, cement, terrazzo and other flooring.
Strong power: 4KW motor with 1450r/min speed ensures a stable grinding effect and adapts to various construction needs.
Internal and external vacuuming options: The HW350A built-in vacuuming system and the HW350D external vacuuming system are two options to meet the needs of different workplaces.
High-efficiency vacuuming design: HW350A has 1.8KW vacuuming power, and HW350D has 0.75KW vacuuming power, effectively reducing dust and protecting workers’ health.
Multi-functional chassis design: This chassis supports a variety of diamond grinding blades, grinding discs, sharpening knives, epoxy knives, etc., to enhance the flexibility of construction.
Free-floating tool floats freely to ensure the ground is level and the sanding effect is better.
High-efficiency dust shaking device: This device improves the life of the filter element, increases dust suction efficiency, and reduces maintenance costs.
Low centre of gravity design: This increases operation stability, and it is especially suitable for high-load construction environments to ensure the comfort of long-term use.






| HW350mm Floor Grinding & Polishing Machine | ||
| Model | HW350a | HW350d |
| Energy Type | Electric | Electric |
| Power Specification | 220V/380V | 220V/380V |
| Phase | Single-phase | Single-phase |
| Motor Speed | 1450r/min | 1450r/min |
| Power | 4KW | 4KW |
| Grinding discs | Triangle grinding disk 350mm | Triangle grinding disk 350mm |
| Number of grinding blocks | 3 | 3 |
| Machine weight | 155KG | 155KG |
| With or without dust extraction | Built-in vacuum | External |
| Vacuuming power | 1.8KW | 0.75KW |
| Dust bin capacity | 24L | 24L |
| Dimension | 1100x460x980mm | 1100x460x980mm |
| Working mode | Dry or wet grinding | Dry or wet grinding |
| Efficiency | 100㎡/h | 100㎡/h |
| Minimum order quantity | 1 | 1 |
| Place of Origin | Made in China | Made in China |
| After-sale | One year warranty | One year warranty |
| Built-in vacuum cleaner | External vacuum cleaner | |
We offer flexible customization services to help you create exclusive floor grinding solutions:
Brand customization: OEM, ODM service, and private labelling to provide tailor-made equipment for your brand.
Function Adjustment: Adjust the motor power, dust suction system configuration, and abrasive disc design according to the project requirements.
Accessory selection: We provide grinding blocks, chippers, epoxy knives, and other accessories to meet diversified construction needs.
Personalized packaging: support exclusive packaging and user manual design to enhance brand image.
Appearance personalization: provide a variety of colours, logos, and packaging options to create a unique brand image.
Exclusive accessory support: different abrasive blades and knives can be selected to adapt to special construction scenarios.
If you are interested in the 350mm Floor Grinding & Polishing Machine or have any questions, please get in touch with us. We will provide you with the most suitable products and service solutions to help your project succeed!
Why choose Howon?
Whether you're a flooring engineering company, building contractor, equipment renter, local distributor or sharer, we're happy to be your partner in providing you with high-quality flooring tools!
We use high-quality materials and advanced technology to ensure the products remain efficient and stable for long-term use.
We provide you with functional adjustments, product customization, OEM/ODM, and private label services.
A variety of innovative designs that are friendlier to both workers and the environment.
We provide product accessory support and a one-stop purchasing service for flooring tools.
Scientific product design and manufacturing help you build efficiently.
We will complete the production, testing, and shipment within 40 days after receiving your order.
Customer Feedback from Vietnam
Their grinders and service are outstanding, offering a wide range of accessories for all my needs, a satisfying import experience.Betty is very professional and looking forward to working with her again.
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CE, SGS, ISO Certificate
15+ Years Flooring Machinery Factory
Machine operation, manuals
7*24 hours after-sales support


