—Nationally Ranked & Certified Lab—

Consistency Through Testing & Control

Sunsong Technology Center

The Qingdao Rubber Technology Center is nationally ranked & certified. On-site, state-of-the-art testing allows us to deliver high-quality and consistent products to our customers.

Testing Capabilities


Rubber Compound Formula Development

Micro Internal Mixer
Micro Open Mill
Plate Vulcanizing Machine
Density Instrument
Hardness Instrument
Curing Tester
Mooney Tester


Metal Material Testing & Development

Metal Hardness Instrument
Carbon-Sulfur Analyzer
Salt Spray Chamber


Complete Product Verification & Development

10,000 N Tensile Test Machine
High/Low Frequency Impulse Test Machine
ABS Impulse
Tensile Machine

Sunsong Technology Center

Durability Testing

Hardness Test

Hot Plate Cycle Testing

Density Instrument

Tensile Test Machine

Permeability Test