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Strictly Controlled Quality

Koman combines stable materials with mature production lines and strict quality control to deliver exceptional quality products.

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Quartz stone Slab

Material. Only the Best

Only by combining mature technology with the best materials,could be created outstanding quality.

Every raw material used in our slab is carefully selected by our material experts to ensure its green and high quality.

Koman quartz stone ingredient:

  • 93% natural quartz sand
  • Advanced polymer resin
  • Other additive

All raw material have to through strict quality inspection, only the qulified quartz sand, resin and other additvie can be sent into the production line.

Production Process

More than 20 years manufactuering experience

step 1

Mixing Raw Material

Mix the polymer resin with good quality quartz sand.

step 2

Distribute Material

Manually fill the mold evenly with polymer resin and quartz sand.

step 3

The Preliminary Forming

The moulds filled with the materials are sent to a vacuum machine with a pressure of 30,000 tons.

step 3 1

Curing And Cooling

Send into the oven to curing by heating, and then send to the cooling machine.

step 4

De - Mould

Take off the mould after cooling, leave for 24 hours then start polishing.

step 5

Polishing

The slabs are sent into the continuous polishing line, firstly scrape both side to flat, and then polish the surface.

step 6

Quality Inspection-First Round

Our quality control line has three professional inspectors. Ensure that no quality problems are missed.

step 7

Quality Inspection-Second Round

Obviously we are not satisfied with just one round of quality inspection of our products. In order to make each batch of our products are perfect and unified. Further checks and adjustments will be made in this step.

step 8

Film The Surface

After cumbersome production and quality inspection, we will put a protective film on each slab before pack in the pallet ( branded protective film is available).

step 8 1

Packing

With 20 years export experience, make sure the slabs arrive your warehouse safety.

Our Inspection

Ensure consistency of quality and surface

step 9

Thickness

The thickness of each product will be accurately measured to ensure that the thickness of all products meet the standard.

step 10

Colors

The uniformity of color is very important for the product, we will carefully check and compare the color of each batch

step 11

Surface

The quality of the surface directly determines the customer’s first impression, so must ensure that the surface and back without air holes, no contamination.

Explore Our Products

Available customized color.  Available customized size.

Hope we will have chance to cooperate in the near future.

If you have any question, please don’t hesitate to let me know.

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