免费国产视频_亚洲国产女人精品久久久_国产欧美日产A片_91porn国产_欧美精品久久久久久久久久丰满_日日日夜夜操_91熟妇视频_精品探花对白视频在线观看,97久人人做人人妻人人玩精品 ,91露脸熟女对白不带套,正在播放日韩一区二区

Power supply shrapnel is widely used in electrical and electrical connectors, and metal materials are often used to contact the shrapnel.

The main function of the power supply shrapnel is to connect and conduct electricity, prevent heat generation, and resist fatigue. Its presence can be seen in electronic products, mobile phones, computers, cameras, and intelligent robots. Common shapes include: S-shaped, C-shaped, circular, Z-shaped, spoon shaped, etc. Power supply shrapnel lifespan: 10000 to 100000 times.

Commonly used metal materials include: iron, 65 # manganese steel, 301 stainless steel, 304 stainless steel, brass, phosphor copper, aluminum alloy, etc. The materials used for stamping power supply shrapnel are generally made of materials with relatively high hardness, and there are also cases where metal materials with lower hardness are used. Electroplating layers can be used to enhance the hardness of the product.

Shenzhen Licao Precision Mold Co., Ltd. is a company specializing in the production and processing of electronic hardware stamping parts, various small stamping parts, and other products. The company has passed ISO9001-2015 certification and has a complete and scientific quality management system. The integrity, strength, and product quality of Shenzhen Ligao Precision Mold Co., Ltd. have been recognized by the industry. Welcome friends from all walks of life to visit, guide, and negotiate business. Shenzhen Licao Precision Mold Co., Ltd. is a company specializing in the production and processing of electronic hardware stamping parts, various small stamping parts, and other products. The company has passed ISO9001-2015 certification and has a complete and scientific quality management system. The integrity, strength, and product quality of Shenzhen Ligao Precision Mold Co., Ltd. have been recognized by the industry. Welcome friends from all walks of life to visit, guide, and negotiate business. A scientific quality management system. The integrity, strength, and product quality of Shenzhen Ligao Precision Mold Co., Ltd. have been recognized by the industry. Welcome friends from all walks of life to visit, guide, and negotiate business. A scientific quality management system. The integrity, strength, and product quality of Shenzhen Ligao Precision Mold Co., Ltd. have been recognized by the industry.