The up/down roller can adjust to be different roller speed to meet higher taping performance, especially stretch fabrics.
Product
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Advantage：
HA-7071W can blow the air into the booties and press it into the water, in order to test the water-proof resistance.
Advantage：
HA-707S will pour water into the socks, to the specified pressure, then added the air to test it is waterproof or not.
Advantage：
HA-707D will pour water into the socks, to the specified pressure, then added the air to test it is waterproof or not.
Advantage：
To check the testing shoe under the centrifugal has the leakage situation or not.
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