538免费精品视频国产_亚洲日韩看片无码超清_亚洲日本免费在线_精品国产三级中文_欧美色噜噜视频在线观看_亚洲av秘 无码天海翼_天堂在线观看视频观看www_高清无码中文字幕天堂_成人国产高清久久_国产乱对白刺激视频综合

? Drawing, sample and OEM, ODM customized service factory

? According to customer design concept for structural design, parts processing, surface treatment and assembly testing one-stop service

? Customized product range: automobile, construction machinery, wind energy accessories, fluid technology, agricultural machinery, outdoor sports, solar energy, military ships, aerospace, medical, high-speed rail, automation equipment parts, electronic hardware, daily hardware supplies, such as high strength, high tension, hardware parts and other customized product materials