Developed by our Hongfa Machinery factory, the Hongfa HFB521 (QT4-35) concrete block making machine is a very popular semi-automatic cement block machine based on the original medium and small-scale block  machine. It adopts four-lead, channel steel stander making the block equipment more firm. What’s more the block moulds are with squeeze head orentation to make sure more precise. The mould orientation vertical vibration and upper mould compression vibration can improve the concrete block production in high efficiency , in order to make sure the finished blocks with more average density and higher strength feature.

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The HFB521 concrete block making machine specifications

Our concrete block machine HFB521 (QT4-35) is with reasonable designed structure adopting high quality steel materials, like Chinese National Steel Cooperation. Our Hongfa QT4-35 cement block machine features strong structure to guarantees the good performance of production for solid/hollow/cellular masonry products, paving stones, garden and landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks etc. during operation. The block moulds of the concrete block making machines is made of Manganese steel with special carburized heat treatment.

* Technical Parameter( Concrete Block Making Machine)

* Overall Dimension: 1350×1660×1900(mm)

* Main Vibration Form: Platform Vibration

* Cycle Time: 30-35 seconds

* Vibrating Frequency: 2800-4500 rolls/minute

* Motors Power: 9.7KW

* Pallet Size: 850*450(mm)

* Weight: 1300KG

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The Hongfa HFB521 (QT4-35) cement block machine process and capacity

With our high quality block machine, it can make different kinds of blocks by changing the matched block moulds. Particular storage and discerption material system of the block machine insure the feeding accuracy on the concrete blocks forming. The finished cement brick products have high density. Our block machine is superior in the simple operation, and easy maintenance with low investment to start the concrete block factory.

Hongfa HFB521M 4-35 concrete block machine high quality

This Hongfa cement brick making machine HFB521 (QT4-35) can be configurated with or without the smart control case. It can be the automatic block machine or the semi-automatic machine by the configuration. It can make block size with 400x200x200mm wit the daily 4000pcs capacity, and the solid brick with about 24,000pcs.  The following sizes of concrete hollow blocks are very common, 400x200x200mm, 400x150x200mm, 400x100x200mm etc. and we are pleased to customize other concrete blocks sizes for our clients too.

Block Type
Size (mm)
Molding Cycle
Pcs/Mold
Pcs/8 Hours
Hollow Block
390*190*190
26s
4
4608
Hollow Block
390*150*190
26s
5
5760
Solid Block
240*115*53
25s
21
30240

Hongfa HFB521M Semi-automatic Manual Block Making Machines

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-Hongfa HFB521 (QT4-35) block making machine advantages

Our Hongfa block making machine HFB521 (QT4-35) is flexible, affordable and cost-effective. It is superior in the simple operation, and easy maintenance with low investment to start the concrete block factory. Therefore, our Hongfa QT4-35 block making machine is an ideal choice for enterprises startup with small investment.

 Passing the strict quality inspection

– CE/SGS/ISO9001

With the best configuration
–   Imported Technology and Smart Control Panel

With great performances
– Super strong vibration and can produce high density brick
– Extremely proving the stability

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– Advantages for Hongfa QT4-35 Concrete Block Making Machine 

High Density

Hongfa HFB521 (QT4-35) concrete block making machines is very strong and durable machine by the high strength steel, special welding procedure, and our high technology. Its guiding columns are made of high qulaity supre strong steel with coated cadmium surfaces, and perfect torisonal strength.

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Achieve Scrutiny and Smart Controlling

The smart control panel in our block machine system can make the machine in easy block production. It doesn’t need a professional person but only need a simple trained one to be the operator.

Smart Material Feeding

Super block production line, making material feeding easily with high efficiency.

Optimal Material Stable Vibration

Super strong vibration and can produce high density brick.

– Raw materials to make the concrete blocks cement brick paver tiles 

The raw materials to make block or brick with this block making machine are Crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, expanded perlite, and other industrial wastes.

– Available concrete blocks interlock pavers hollow solid blocks 

Our concrete block brick making machinery HFB521 QT4-35 can make many kinds of cement blocks, like concrete blocks, solid/hollow/cellular masonry products, paving stones, garden and landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks, etc.

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The relevant equipment of the concrete block production line

Designed with particular storage and material system which insure the feeding accuracy, this Hongfa HFB521 (QT4-35) block making machine features high density and strong quality. Our concrete block brick making machinery can Combine Mixer, Conveyor Belt, Block Machine, Block Conveyor, Mould and Trolley etc. With our Hongfa brick making production line, you can increase the concrete block making efficiency.

Only 2-3 people can operate the whole block production line well made by our Hongfa factory. So there’s a big advantage on saving labor for our brick making machinery and earning money from the less investment.

Production process of Hongfa HFB21 (QT4-35) concrete block making machine:

Work flow: Preparing raw material— Fixed-quantity filling — Mixing — Pressure forming blocks — Stacking — Curing — Finished block products for sales.Hongfa High Quality Concrete Block Production Line

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RFQ for Hongfa Concrete Block Making Machinery

– 1) Q: Are your company is the manufacture or trading company?

A: We are Direct factory, not agent or trading company. We have the machines, the land, the workshops, and the workers. So the quality of our Hongfa concrete block machines and after-sale services is quaranteed.

– 2) Q: What are the blocks that Hongfa Concrete Block Making Machine can make? 

A: One Concrete Block Forming Machine can make various types of Hollow blocks, solid bricks, interlock bricks, paver bricks, pavement, kerbstone ect. by chaging the forming cement block molds.

– 3) Q: Can this block machine make my brick or other size block

A: Yes. We will be pleased to do the design drawing and customize the block moulds according to customer’s requirement. 

– 4) Q: Would you mind provide the video?

A: The video is available to send to you, please contact me.

– 5) Q: How can I trust the machines quality?

A: Our factory products passed ISO9001 and CE identifications. Our Hongfa factory has produced the construction machines over 30 years with full experience, updating technical idea and application.Furthermore our machines have been exported to more than 120 countries and always have a good reputaion from our inner and oversea customers.We will do fully test our products before shipment, make sure that every equipment work well when they come to your hand.

– 6) Q: What are the main materials to make the blocks?

A: The main materials can be: crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, expanded perlite, and other industrial wastes.

–  7) Q: What’s the output of  The Block Making Machine Every day?

A: Around 6,000 to 50,000 pieces depends on different concrete block types or sizes, like concrete blocks, solid/hollow/cellular masonry products, paving stones with or without face mix, garden and landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks and so on. We are pleased to customize the block moulds based on clients’ needs for the concrete blocks.

–  8) Q: How big the land area and how many workers required to run the blocks making plant:

A: It depends on the block making machine capacity, normally 200m2 to 300m2 for installing the block forming machine and block production line, and other land area for finished blocks curing and storage. About 2-3 workers for the blocks making line running is ok.

Hongfa concrete block making machine high quality capacity

–  9) Q: What is the packing way for the concrete block making machine ?

A: With naked packing, or stretch film packing, or steel structure packing, or wooden case packing, or according to customers’ requirements (We will send machine with plastic film package, parts with wooden case, if need, fumigation wooden carton also available.)

– 10) Q: What is the delivery time for the cement floor block making machine?

A: The delivery time of Hongfa HFB570 (QT4-15) block making machinery is 25-35 days after receipt of deposit and moulds confirmation from buyer (Flexible Delivery Way: FCL sailing or LCL sailing,  Air Transportation, parts or document with express delivery.)

– 11) Q: What about the payment terms?

A: Usually the 30% as down deposit by T/T , and 70% as the balance paid by T/T before loading (L/C is also acceptable).

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– 12) Q:What is the guarantee time for the concrete block making machine?

Q: Hongfa is a reliable factory offering free design and free technology support. Hongfa Machinery provides clients with 1 year guarantee to the main structure of the HFB580 block making machine with sales services for the whole lifetime.

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– 13) Q:How about the  block making machine commissioning of the brick machine and training to workers?

Q: Hongfa engineers are available to oversea clients’ sites to guide the installation of the block machines.  After finishing the installation of the block production line, our engineers will do the testing and commissioning, and make the most suitable ratio of the materials to make the blocks, and train the workers how to operate and maintain the machines.

– 14) Q: Does your cocnrete block machinery factory has the block machines in stock? If no, how long should wait for the machine shipping?

A: We may have some main block machines in stock, but the blocks molds need to be customized and requires about 2 to 3 weeks to produce the mold accordingly. 

– 15) Q: Can I visit your block machinery factory and the cement  blocks making plant?

A: Yes, welcome to be our clients. We will be very happy that you can visit our factory and our block plant. Then you can look around our factory, and also can visit our running blocks making plant. We will introduce to you every details and process of how the blocks is made. 

16) Q: When you plan to purchase a certain machine, suggesting to take care below points:

A: 1. What is the brand?
( Now a lot companies embezzle our brand, pls take note our prevention fake-mark.)

2. Does this brand has good reputation and sell well in the market?
(we got good reputation and are one of the biggest supplier in China)

3. What is the materials they used? Manganese steel or A3 steel?
(We use Manganese steel which stronger than A3 steel)

4. What is the lifetime of the mold?
( Our mold can use 900,000 – 1200,000 times)

5. The price coverwhat equipment?
( Please refer to our quotation list)

Hongfa Group Established in 1990, the Leader 

Guangxi Hongfa heavy Machinery Co., Ltd. is located in yiling industrial zone Nanning city, Guangxi, China. With over 30 years’ experience, Hongfa Machinery factory covers a plant area of 440,000 m2 (4+ production bases) , has 1500 employees including 50+ engineers.

HONGFA was founded in 1990, which is a large-scale private enterprise with R&D, manufacture and sales.And specialize in concrete block making machine, cement brick machine, automatic AAC block production line, concrete mixer, ready mixing concrete batching plant; cement tile machine, concrete roof tile machine, concrete pipe machine, artificial quartz plate line, bidirectional hydraulic brick maker, automatic block stacker block palletizer, as well as GMT pallets, PVC pallets, Wooden pallet for block machine etc.

Hongfa Factory Products Series

Developer & Manufacturer of Construction Material Machinery with the Following Main Business Range & Products:

Concrete Wall Panel Machine

 Full Automatic Block Production Line

Concrete Ready Mix Concrete Batching Plant

Bidirectional Hydraulic Brick Machine

AAC Block Production Line

Concrete Terrazzo Tile Making Machine

Lightweight Panel Production Line

Concrete Pipe Machine

Concrete Terrazzo Tile Making Machine

– Stone Machine and Mining Machinery

Our services

Our machines and products users are from more than 176 countries and areas: such as the United States, Russia, Brazil, India, Pakistan, Thailand, Vietnam, Myanmar, Saudi Arabia, Qatar, Bahrain, Lebanon, Philippines, Malaysia, Angola, Nigeria, Mozambique, Surinam, South Africa, etc.

Pre-sale service support:

According to each customer’s demand and budget, we offer you the professional solution, process flow design and production equipment. More importantly, we welcome every customer to visit our factory and working machine in the site before placing the order.

During-sale service support:

Assist clients to finish the factory visit planning. Before delivery equipment to customers, complete debugging and checking. Provide a full instruction manual for the whole system. Provide technical guidance for the installation and use of the unit, including installation advice and electrical connection. Provide unit debugging and training for the operation of the machine on the working site and coordiante the customers with check and acceptance of the unit.

After-sale service support:

Send technicians to installation site for the guidance, equipment adjustment and training. Provide high-quality spare parts thoughout the year, and the maintenance technicians are always ready to provide technical help.

Trust our 30+ years’ experience and let’s serve you. Please contact us at yuki@hfmachines.com, or Whatsapp 0086 18378813711, and let’s help you now.