Shenzhen Jinshuanghe Hardware Materials Co., Ltd. specializes in the research and development, production and sales of nickel sheets for lithium batteries of electric scooters, electric bicycles, inverters, medical equipment and eye protection devices. Nickel sheet for the charging gua sha instrument's electric pool assembly; A company specializing in the production and processing of nickel sheets for electric toothbrush battery packs, nickel sheets for solar cell packs, and nickel strips for lithium battery packs, with a complete and scientific quality management system. The integrity, strength and product quality of Shenzhen Jinshuanghe Hardware Materials Co., Ltd. have been recognized by the industry. The company has a group of experienced R&D technical teams in the industry and a complete pre-sales system