The quality control of Opal not only relies on manual inspection but also advanced technology such as computerized testing and hardness testers. It will effectively avoid plantar fascia strain
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The production of Opal involves a wide range of procedures, ranging from metallic elements preparation, electrode coating, cell Assembly, formation and process control. It has reliable colorfastness when exposed to light
w******y
Opal has passed the following physical and mechanical tests including strength test, fatigue test, hardness test, bending test, and rigidity test. This product is excellent in bacterial resistance
y******c
The quality of Opal is thoroughly tested by our QC department to meet the regulations and requirement of China Textile Industry Federation. It holds advantages such as good stiffness, good resilience, and cost-effectiveness
k******h
The manufacturing process of Opal involves the following basic steps: rubber material selection, molding, cutting, vulcanizing and deflashing. It keeps the feet dry, cool and odor-free all day long
x******d
The product has a better reach than advertising does and can set a brand apart from its competitors. It promotes and reinforces the purchase decision. It comes with thick and sturdy pliability