At the same time, in view of the increasing demand of customers, Guangzhou Pentax Electronics Co., Ltd
Refer to bs3084, ASTM, din3416, jis3015 and other internationally recognized zipper standards
"L&Z product series standards" (including metal zipper, waterproof zipper, stainless steel zipper, etc.) have been formulated
Pentax internal test
Salt spray test
According to the salt spray test standard ratio of 5% concentration of salt solution, continuous spray test at a constant temperature of 37.5 degree centigrade
Fatigue test
Four directions simultaneously exert a certain force to continuously pull back and forth, Pentax requires that the value reach more than 5000 times
Flat pull strength test
Fix both sides of the zipper horizontally and pull the zipper violently. Test the bite strength of the zipper. The minimum strength required by Pentax should be more than 50 kg.
Authoritative test report
CE certificate
industrial design patent
CE certificate
CE certificate
CB
Factory laboratory
Screw torque test
Battery aging test
Power line swing test
Screw torque test
Mr. Zhang：15920832542
Address：Next to Qiling Xinzhuang primary school, Huadu District, Guangzhou
