Our Business


As a pioneer in smartphone back glass production, we use our professional knowledge to provide high quality products and services. Depending on the requirements and needs of our customer, BIEL crystal can provide different types of custom treatment for the glass surface that enables an near infinite possibilities of design.
2D/ 2.5D / 3D Forming Technologies
  • Advanced molds are combined with proven thermo-forming and lamination techniques
  • Mature cold processing ability for unibody 3D engraving
  • Advanced tempering processing technology
  • Translucent polishing and flatness process achieves advanced optics standards
  • Produces complex 3D glass designs such as four-side bending, complex surfaces and 3D inward buckling
Ingenious decoration process
Solid, mirror, metallic, gradient, shiny effect.
Meticulous surface treatment
Various surface treatments, including anti-reflective (AR), anti-fingerprint (AF), anti-glare (AG), photochromic, electrochromic, and other effects can be applied onto the glass surface through BIEL’s advanced technologies.
  • Flow/spray coating
  • Inkjet printing
  • Physical vapor deposition
  • Chemical plating
  • Chemical etching
  • Flexographic printing
  • Spin coating
  • Slit coating

Other Material

Biel adopt nano-zirconia to produce high-quality ceramic products with advanced molding technology
i) Dry pressing process
  • Independent developed spray granulation technology
  • High-pressure multiple action press that can produce a large 3D phone back cover
ii) Ceramic injection moulding (CIM):
  • BIEL’s self-developed injection molding feedstock technique
  • State-of-the-art injection moulding machine from Germany and Japan
  • Dual color injection moulding machine
  • Advanced ceramic green body processing technology, capable of producing ceramic products with complex structures
iii) State-of-the-art Hot Isostatic Pressing(HIP)machine:
  • Production of cutting-edge high-strength ceramic products
Other strengths:
  • Advanced hot isostatic pressing, degreasing and sintering technology which guarantees stable ceramic quality
  • Powerful cold processing technology which produces large and highly-precise 3D ceramic products
  • Advanced polishing technology to achieve high brightness, high strength and low deformation products
  • Advanced PVD and laser engraving technology to add special effects on ceramic products