Weifang KM Electronics Co.,Ltd: 16 years ISO13485 FDA TUV Medical CE TGA certified beauty machine manufacturer, with pro ODM & OEM service on skin care equipments, including laser hair removal, body
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Shenzhen Haisheng Filter Materials Co., Ltd.: Explore high quality HEPA filter paper and sportball leather materials to improve the performance of your products with a good price on joymaterials!
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Work hardening, also known as strain hardening, is the strengthening of a metal or polymer by plastic deformation.This strengthening occurs because of dislocation movements and dislocation generation within the crystal structure of the material.