在线综合亚洲欧洲综合网站,少妇愉情理伦片高潮日本,国产香蕉尹人视频在线,老熟女交换五十路交换a片视频

微信 手機
上海必姆軸承有限公司
當(dāng)前位置:首頁 >> Quality Control

聯(lián)系我們

上海必姆軸承有限公司 地址:上海市寶山區(qū)錦宏路179號 郵編:201901 聯(lián)系人:闞曉冬 電話:021-31300090 傳真:021-65655008 郵箱:bem@bembearing.com

By always selecting the best local raw materials, carrying out the quality control systems strictly, applying advanced precision processing equipment and measurement instruments, as well as advanced product designs and first-class manufacturing process, BEM is approved to be able to provide all customers with expertise ,application services and total solutions.


Carefully choose raw material suppliers in accord with Supplier Approval Procedure, purchase the domestic top raw material according to incoming Inspection Procedure, so BEM ensure consistency of bearings.All raw materials conform to national industry standards. Bearing materials are mainly high purity moulded steel, which can improve service life of bearings, ensure high reliability and reduce unexpected downtime for users. In order to ensure quality of raw materials and outsourced parts used in the manufacturing of high-quality bearing products, we have formulated strict incoming Inspection Procedure, which contains inspections of chemical compositions, high-amplified and low-amplified metallographic structure of raw materials ,physic-chemical analysis of outsourced parts.

Raw Material
Approved premium material
Local famous material supplier
Religious supplier approving & testing procedure
Strict incoming inspection


Heat Treatment
Protective atmosphere can prevent from oxygenizing of components in heat-treatment.
Press quenching can deformation of rings to the best degree.







Manufacturing &Process Control
Lean 6 sigma layout
Air-conditioned workshop
Coolant control & treatment center
SPC system




聯(lián)系我們

地 址:上海市寶山區(qū)錦宏路179號
聯(lián) 系 人:闞曉冬
電 話:021-31300090
傳 真:021-65655008
郵 箱:bem@bembearing.com

關(guān)注我們

手機端

微信端

Copyright © 2018 All Rights Reserved www.135la.com   上海必姆軸承有限公司   滬ICP備19027374號-1   技術(shù)支持:佰聯(lián)軸承網(wǎng)
成人亚洲区无码偷拍12p| 最近中文字幕高清免费MV| 午夜无码人妻av大片色欲| 国产av无码专区亚洲av毛片搜 | 亚洲AV无码一区二区一二区潮浪| 欧美 亚洲 另类 偷偷 自拍| 国产色情一区二区视频| 精品久久久久成人码免费动漫| 日本亚洲色大成网站www久久| 久久AV无码精品人妻出轨| av天堂午夜精品蜜臀av| 日本肥老妇色xxxxx日本老妇| 亚洲av无码一区二区三区牲色| 99久久国产综合精品麻豆| 狠狠色婷婷久久一区二区三区| 精品无码久久久久久国产| 欧洲熟妇色xxxx欧美老妇软件| 久久精品国产亚洲av水果派| 亚洲av国产爽歪歪无码| 欧美疯狂做受xxxx高潮| 国模裸体无码XXXX视频| 99久久国产宗和精品1上映| 丰满熟妇videosxxxxx| 波多野结衣 美乳人妻| 国产精品久久久久久无码| 国产99久久久国产精品~~牛| 好爽…又高潮了免费毛片| 久久人人爽爽人人爽人人片av| 麻豆蜜桃av蜜臀av色欲av| 老师露出两个奶球让我吃奶头 | 性欧美XXXXX乱极品少妇| 国产后入清纯学生妹| 国产熟女乱子视频正在播放| 一女三黑人玩4p惨叫a片| 色综合久久网| 免费观看电视剧全集在线播放 | 内射人妻少妇无码一本一道| 短裙公车被强好爽h吃奶| japanese50mature日本亂倫| 久久久久免费毛a片免费| 激情欧美日韩一区二区|