青青五月丨亚洲免费中文字幕丨视频精品一区二区三区丨乱h高h女np群欢丨正在播放国产多p交换视频丨91国产在线播放丨x8ⅹ8成人成人少妇丨亚洲午夜久久久久丨香蕉在线精品视频在线丨骚色综合丨亚洲女同性同志熟女丨国产女人18毛片水真多18精品丨欧美超碰在线丨无码av中文字幕久久专区丨国产三区av丨黑人强伦姧人妻日韩那庞大的丨国产又黄又粗又猛又爽视频丨国产乱子伦在线一区二区丨天天澡天天揉揉av无码丨伊在人亚洲香蕉精品区丨欧美特一级片丨欧美日韩精品在线观看丨欧美日韩在线播放丨麻豆理论片丨天堂中文资源库官网

Supports
Fujian Longxi Bearing (Group) Corporation Limited?-?Supports?-?Research & Development
Research & Develop
LS is a national high-tech enterprise, our R&D investment accounts for the sales revenue by over 5% and we got 23 patents. We undertake the task of editing the technical standard of spherical plain bearings in China, designing & developing the non-standard products for the customers. We develop and research the products by applying the PDM finite element analysis CAD, CAT and virtual reality manufacturing. We have first-class research and design team, specializing in material, process and testing, test equipment, product development and technology information research. LS was approved to establish the “National Standardization Technical Committee bearing joint bearing sub-technical committee” and responsible for auditing national standard.