Shock and Strut Testing
Air suspension shocks and struts are tested for leakage, damping force and pressure cycles before packing.
Quality Systems and Product Testing
Biste combines documented quality credentials with product-specific factory testing and pre-shipment controls for automotive aftermarket supply.
Quality Management and Certification
The listed quality credentials are ISO 9001:2015 and IATF 16949, with CE certification available for EU markets. Products are developed to meet relevant OE specifications: shocks and struts for damping force, pressure rating and durability, and valve blocks for flow rate, response time and sealing performance. Customized branding, labels and packaging are applied after quality checks for OEM/ODM and private-label programs.
Product-Specific Testing
The supplied product material states that products are 100% factory tested before shipment.
Valve Block Pressure Testing
Valve blocks are tested for pressure leakage, with a stated standard of 100% pressure leak testing.
Valve Block Functional Testing
Solenoid function and electrical continuity are checked, with a stated standard of 100% electrical function testing.
Manufacturing and Supply Experience
Reported cumulative supply figures reflect Biste’s air suspension and automotive aftermarket experience.
16+years
Air suspension and aftermarket experience
8+years
Air suspension component manufacturing experience
500,000+units
Compressor units supplied
300,000+units
Shock absorber units supplied
200,000+units
Valve block units supplied
50+countries
Countries served
Controls Beyond Production
Quality support continues through product identification, supply selection, order preparation and shipment.
OE-Number Verification
Available OE/OEM references and vehicle details are checked to support accurate product identification.
Multiple Supply Grades
Multiple supply grades support different buyer, market and channel requirements.
Pre-Shipment Checks
Applicable quality checks are completed before products are shipped.
Bulk-Order Support
Stable production, inventory and logistics capabilities support wholesale and bulk orders.
Confirm Quality Requirements for Your Order
Tell us the product, target market, quantity and required testing or documentation so the applicable requirements can be reviewed.