亚洲欧美日韩久久精品第一区,我趁老师睡觉摸她奶脱她内裤,男女做爰裸体猛烈吃奶摸视频,男男gay啪啪网站18禁

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 8dgsc.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)
无码一区二区三区| 久久久亚洲欧洲日产国码aⅴ| 日本人丰满xxxxhd| 激情人妻绿帽王八系列| 久久成人国产精品| 欧美乱妇无乱码大黄a片| 无码精品视频一区二区三区| 国产天美传媒AV国产自制剧| 精品人妻一区二区三区四区在线| 最近中文字幕高清中文字幕无| 美女又黄又免费的视频| 18禁黄污吃奶免费看网站| 欧美牲交a欧美牲交| 金梅瓶在线观看| 国产无套粉嫩白浆在线观看| 性生交大片免费| 啊灬啊别停灬用力啊岳| 久久精品国产9久久综合| 国产国拍精品亚洲av片| 欧美日韩久久久精品a片| 日韩激情| 扒开双腿抽打花蒂惩罚室| 办公室双腿打开揉弄高潮女明星 | av天堂午夜精品蜜臀av| 男与女 电影| 武则天肉体大战野史dvd| 3d全彩无码啪啪本子全彩| 51久久成人国产精品麻豆| 暖暖爱视频免费| 精品无码国产一区二区三区.| 解开人妻的裙子猛烈进入| 久久99国产精品久久99果冻传媒| 美女视频黄是免费| 人妻好久没做被粗大迎合| 无码国产精成人午夜视频一区二区| 亚洲av永久无码精品网站| 精品亚洲成a人片在线观看 | 快穿之胸大喂奶h| 换脸国产av一区二区三区| 国产精品爽黄69天堂a| 久久香蕉国产线熟妇人妻|