Specification:
Product No. 01: High carbon steel wire for mattress spring (Bonnell and Pocket)
– Row Material: Steel AISI1045,1060,1065,1070,1072
– Wire diameter: 0.08mm-5.00mm
– Wire diameter: 0.08mm-5.00mm
– Tension Strength: 1550 – 1950 MPA (Customized)

Product No. 02: High tensile carbon steel wire for industrial spring and PC (Prestressed concrete) wire.
– Material: AISI 1075, 1080&1082
– Wire diameter: 1.mm – 9mm
– Tensile strength: 1750 – 2100MPa (customizable)
– Material: AISI 1006,1008,101&1018
– Wire diameter: 0.80mm-5.00mm
– Tensile Strength: 450-750MPa (customizable

Standard Bonnell Spring Units are the most widely used spring interior for mattresses in the world.

United Brothers Springs manufactures a wide variety of options. All Standard Bonnell Spring Units are heat-treated under controlled conditions for better resistance and durability. This ensures that each component part of the unit-helical as well as springs are stress-relived and strengthened, thereby eliminating sag, or set of springs.

Units can be supplied unframed fitted with a frame options, hardened, and tempered flat steel strip.

Standard Bonnell Spring Units are also available in a variety of specifications used as box springs.

• A durable spring system
• Best price/quality combination
• The most widely used interior for mattress.
• Scientifically proven healthy and ecological

• Multi Pocket is the last development in the area of orthopedic properties of mattresses.
• Numerous springs ideally reflect the contours of your body.
• Precise distribution of body weight, which guarantee ideal maintenance of proper shape of the spine during relaxation and sleep for you and your partner.
• Long life and ideal mattresses that will not lose its orthopedic qualities and comfort for years.
• This is the best solution, that can cover all of your precise needs.
• A durable spring system-all pocket springs are extra heat treated.
• Independence of every single coil
• Low range of used wire, which brings a softness of the product
• Increase of the performance while sleeping
• Best price/quality combination
  
• Scientifically proven healthy and ecological interior for your bed and upholstered Products.

• Bonnell innersprings are often considered to be the ‘classic’ amongst innerspring systems & Chassis by United Brothers.
• product line of the Classic Bonnell combines the acknowledged strengths of the Bonnell system with those of United Brothers’ decades of experience, selected wires and absolute precision in production. Together
• This delivers a strong foundation for a range of top-quality products to suit many different applications of any designed mattress.
• Classic Bonnell innersprings with 4, 5 and 6 turns for a wide range of applications.
• optionally equipped with a frame
• High stability and durability chassis of durable mattresses.
• Particularly high air permeability of the system.

• Wide range of Pocket Coil Chassis manufactured by United Brothers’ pocket innersprings of the Classic line.
• sleeping comfort. The center-glued bonding of each row of springs allows for the individual flexibility of every single spring delivering a high degree of body support. This means that, depending on the coil count, a fine up to finest level of ergonomic adaptation to body weight is achievable.
• All this with the added confidence of United Brother commitment to using quality raw materials and the highest standards of production.
• Available with different zonings, nested and partly nested models as well as models being equipped with frames.
• Enormous point elasticity for optimum comfort.

• We are famous for providing a premium quality collection of High Density Rebonded Foam to our clients.Thickness:    1-20cm or CustomizationDensity:        50~150 kg/m3Size:              Customized

  Foam Color: Mixed colors

  Application: cushion, mattress, sport mat, seating or so on.