The quality control of Opal not only relies on manual inspection but also advanced technology such as computerized testing and hardness testers. Shock absorption ensures reduction of muscle fatigue in feet and legs
u******g
The production of Opal involves a wide range of procedures, ranging from metallic elements preparation, electrode coating, cell Assembly, formation and process control. It will effectively avoid plantar fascia strain
r******s
Opal has passed the following physical and mechanical tests including strength test, fatigue test, hardness test, bending test, and rigidity test. It is completely waterproof and UV resistant
u******a
The quality of Opal is thoroughly tested by our QC department to meet the regulations and requirement of China Textile Industry Federation. Its materials are safe to the human body and environmentally friendly
m******k
The manufacturing process of Opal involves the following basic steps: rubber material selection, molding, cutting, vulcanizing and deflashing. Shock absorption ensures reduction of muscle fatigue in feet and legs
d******x
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. Its materials are safe to the human body and environmentally friendly