About Us


Founded in 1985, Guangzhou Crystal Technology Co., Ltd. is a scientific and technological enterprise focusing on diamond tools manufacturing. It is also national high-tech enterprises identified by government authority. Over 30 years, GZCT have always adhered to the philosophy of “technology gurantees quality, quality builds reputation, reputation establishes a brand”. Its own brand “Guangjing” is well-known in domestic China.

The company dedicates to R & D of diamond tools and products of super hard materials, including processing tools for ceramic, stone, glass, carbide, refractory materials, concrete and asphalt. Product includes ceramic blades, stone blades, concrete blades, asphalt blades, turbo blades, glass blades, stone grinding wheels, ceramic grinding wheels, glass grinding wheels, resin grinding wheels, stone drill bits, glass drilling bits, seashell drilling bits, glass drilling sheets, vacumn brazed blades, diamond chain saws, diamond wire saws for reinforced concrete and etc.

The plant is located in Tianhe Science and Technology Park, covering an area of 16,650 square meters, of which 8,000 square meters is workshop area. We have excellent staffs, quality processing equipment, perfect detecting system and remarkable product performance.
Today, with work attitude of “unity, responsibility, diligence, innovation”, we adhere to the objective of “to create value for customers, opportunity for staffs, profit for company, and benefit for society”. All our staffs have been devoting themselves to supply you with best products and service and create the most efficient value.


  • In 1987, production of the first batch of large marble and granite blades commenced.
  • In 1988, the first batch of small saw blades (to replace those imported) was produced, and sold well in the domestic market.
  • In 1991, products were exported to foreign countries.
  • In 1992, annual sales exceeded RMB 10 million Yuan.
  • In 1993, diamond saw blade series were awarded second prize at the Scientific Technology Progress Awards in Guangzhou.
  • In 1996, the 110mm wet cutting diamond blade was regarded as a key new product in Guangdong Province.
  • In 1999, 166650 square metres of land was purchased to build new workshops in Gaotang Industrial Zone, Guangzhou.
  • In 2000, new workshops were put into use, with a total building area of 8,000 square metres.
  • In 2001, the company name is changed to Guangzhou Crystal Technology Co., Ltd.
  • In 2003, “Diamond Laser Welding Technology Research” was confirmed as a Guangzhou scientific achievement.
  • In 2004, “Research of New Technology and New Formula for Production of Automobile Glass Grinding Wheel” project approved by Tianhe District Science and Technology Bureau, and completed successfully.
  • In 2005, “Environment Friendly Diamond Drill’s Research and Development” project approved by Science and Technology Bureau, Tianhe District, Guangzhou.
  • In 2006, “Development of Concrete Chain Saws” project was approved by Innovation Fund of Ministry of Science and Technology.
  • In 2015, “Institution and Application of Environment Friendly Composite Solder” project was awarded first prize at the Engineering Industry Scientific and Technical Awards.
  • In 2016, “Industrialization and Research on Key Technology of Group-Cutting Stone Diamond Gang Saw Efficiently and Environment Friendly” project was approved by Tianhe District Science and Technology Bureau.

Our Intellectual Property

  1. Chain for Diamond Chain Saw, Patent No.: ZL 200710029352.X (invention)
  2. Chain for Diamond Chain Saw, Patent No.: ZL 200720054597.3
  3. Diamond Saw Blade, Patent No.: ZL 200720049981.4
  4. Diamond Turbo Blade, Patent No.: ZL 201020670833.6
  5. Crosscut Diamond Saw Blade, Patent No.: ZL 201020670799.2
  6. Laser Cutting Silence Diamond Saw Blade, Patent No.: ZL 201020670812.4
  7. Glass Chamfering Bit, Patent No.: ZL 201120201437.5
  8. Grinding Wheel, Patent No.: ZL 201120202410.6
  9. Diamond Grinding Wheel, Patent No.: ZL 201320317574.2
  10. Polishing Grinding Wheel, Patent No.: ZL 201320317575.7
  11. All In One Polishing Grinding Wheel, Patent No.: ZL 201320317517.4
  12. One Kind of Segment and Blade with This Kind of Segment, Patent No.: ZL 201420136493.7
  13. One Kind of Segment and its mould, Patent No.: ZL 201420136573.2
  14. Saw Blade with Stronger Base, Patent No.: ZL 201420136491.8
  15. Packing Box for Saw Blade, Patent No.: ZL 201420136494.1
  16. Saw Blade with Protection Teeth, Patent No.: ZL 201420136490.3
  17. Ring Rolling Machine With Positioning Device, and The Device Has Cleaning-Hole Workpiece. Patent No.:  ZL 201520093091.8
  18. Polishing Grinding Wheel, Patent No.: ZL 201310218280.9 (invention)
  19. One Kind of Segment and its Manufacturing Method, Patent No.: ZL 201410112921.7 (invention)