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Xiamen Quan Stone Import & Export Co., Ltd.
Xiamen Quan Stone Import & Export Co., Ltd. Quality is Our Culture , We Believe The Quality is The Soul of an Enterprise.
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Xiamen Quan Stone Import & Export Co., Ltd. Quality Info

Xiamen Quan Stone Import & Export Co., Ltd.
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Xiamen Quan Stone Import & Export Co., Ltd.
City: Xiamen
Province/State: Fujian
Country/Region: China
Contact Person:Mr Mark Liu
Quality Control

We have a QC teams of 12 members specialzing in inspecting all kinds of granite and marble products .

Products including

Quartz /granite /marble countertops vanity tops

Granite and marble tiles and slab

Granite paving stone and culture marble tile

Grade A:

The items have to be calibrated. The maximum deviation of nominal sizes must not exceed:

  • Tiles: caliber +/- 0.5 mm,
  • Skirting boards: caliber +/- 0.5 mm
  • Edges of tiles must be grinded and polished in corners.
  • Skirting boards must have a standard bevel of 3 mm/45° at the long edge at upper side.

The caliber of other products (grade A) is always as follows:

  • Window benches: caliber +/- 1.0 mm
  • Wall caps: caliber +/- 1.0 mm
  • Step risers: caliber +/- 1.0 mm
  • Stair cladding: caliber +/- 1.0 mm
  • Outdoor terrace tiles: caliber +/- 1.0 mm
  • Block steps: caliber +/- 1.0 mm
  • Pavings caliber +/- 1.0 mm
  • Kerbs: caliber +/- 1.0 mm
  • Palisades/pillars: caliber +/- 1.5 mm
  • Stepping stones: caliber +/- 1.5 mm
  • All bevels have to be 45°, the width of bevel will be communicated in the inquiries of the purchaser (e.g. 2 mm, 3 mm, 5 mm etc.)
  • Tiles and floor plates with a polished surface and/or polished revolving edge must have polished fases.
  • The max. convex deviation
    • for a measuring length of 300 mm is 1.00 mm
    • for a measuring length of 500 mm is 1.50 mm
    • for a measuring length of 800 mm is 2.00 mm
    • for a measuring length of 1000 mm is 2.50 mm.
  • The max. concave deviation
    • for a measuring length of 300 mm is 1.00 mm
    • for a measuring length of 500 mm is 1.25 mm
    • for a measuring length of 800 mm is 1.50 mm
    • for a measuring length of 1000 mm is 2.00 mm.

Grade B:

  • Length and width for tile sizes less than 600 mm: +/- 1.0 mm
  • Length and width for tile sizes more than 600 mm: +/- 2.0 mm
  • Thickness of tiles from 8 to 20 mm: +/- 1.0 mm
  • Thickness of tiles from 21 to 30 mm: +/-2.0 mm
  • For other thicknesses of tiles: +/- 2.0 mm
  • Edges of tiles must be grinded and polished in corners.

  • Skirting boards: +/- 1.0 mm
  • Skirting boards must have a standard bevel of 3 mm/45° at the long edge at upper side.

The caliber of other products (grade B) is always as follows:

  • Window benches: caliber +/- 2.0 mm
  • Wall caps (from 20 mm thickness onwards): caliber +/- 2.0 mm
  • Step risers: caliber +/- 2.0 mm
  • Stair cladding: caliber +/- 2.0 mm
  • Outdoor terrace tiles: caliber +/- 2.0 mm
  • Block steps: caliber +/- 2.0 mm
  • Pavings (from 30 mm thickness onwards) caliber +/- 2.0 mm
  • Kerbs: caliber +/- 2.0 mm
  • Palisades/pillars: caliber +/- 2.5 mm
  • Stepping stones: caliber +/- 3.0 mm

  • All fases have to be 45°, the width of fases will be communicated in the inquiries of the purchaser (e.g. 2 mm, 3 mm, 5 mm etc.)

  • Tiles and floor plates with a polished surface and/or polished revolving edge must have polished fases.

  • The max. convex deviation
    • for a measuring length of 300 mm is 2.0 mm
    • for a measuring length of 500 mm is 3.0 mm
    • for a measuring length of 800 mm is 3.5 mm
    • for a measuring length of 1000 mm is 4.0 mm.
  • The max. concave deviation
    • for a measuring length of 300 mm is 1.0 mm
    • for a measuring length of 500 mm is 2.0 mm
    • for a measuring length of 800 mm is 2.5 mm
    • for a measuring length of 1000 mm is 3.0 mm.

Specification:

Texture of front side of facing tiles must be as follows:

  • Polished surface – with mirror shine, direct reflection of objects, without processing signs from the previous operation

  • Honed surface – no marks of processing from the previous

  • Grinded – equally rough surface with marks of processing. These marks can only be done by grinding process; the surface thickness difference must be no more than 0.5 mm.

  • Cut – unevenly rough surface with uneven surface; the surface thickness deviation must be no more than 2 mm (for more details please look at the grades A and B.

  • Ultrasonic processing – with distinct color and picture of stone.

  • Flamed finish – rough surface with peeling marks.

  • Bush hammered – equally rough surface with uneven surface

  • Other types of finishing can possibly be approved by the customer.

  • Grade A and grade B items must not have visible damages at any side. They must not exhibit shooting lines, cracks, fissures, damaged edges, rust marks, uneven fases, nor black or white spots.

  • Chips length not exceeding 1 mm along the edges of the perimeter of the tiles.
  • Surface must not exhibit (micro) holes or uneven inclusions
  • Items must neither exhibit bearing damages, nor weathering damages.
  • Physico-mechancial property of natural stones must satisfy the requirements of DIN 52008, DIN 52104-1, DIN 52108, EN 772-4, EN 771-6, EN 772-11, EN 772-20, EN 1341, EN 1342, EN 1343, EN 1467, EN 1468, EN 1469, EN 1925, EN 1926, EN 12057, EN 12058, EN 12059, EN 12326-2, EN 12370, EN 12371, EN 12372, EN 12407, EN 12440, EN 12670, EN 13383-1, EN 13383-2, EN 13364, EN 13755, EN 13919, EN 14066, EN 14146, EN 14147, EN 14157, EN 14158, EN 14205, EN 14231, EN 14579, EN 14580 and EN 14581.

Certifications

Xiamen Quan Stone Import & Export Co., Ltd. Certifications
Standard: CE EPREI
Number: 2010-C131-CPD
Issue Date: 2010-07-23
Expiry Date: 2030-07-22
Scope/Range: EN1469 Natural stone products
Issued By: CHINA CE EPREI
Xiamen Quan Stone Import & Export Co., Ltd. Certifications
Standard: OMA -CE
Number: 10038862
Issue Date: 2010-07-23
Expiry Date: 2030-07-22
Scope/Range: ENGINEERING STONE
Issued By: OMA

Company Profile

Xiamen Quan Stone Import & Export Co., Ltd.

Contact Person: MrMark Liu

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