男ji大巴进入女人的视频,狼友av永久网站免费观看,亚洲午夜精品久久久久久app,伊人久久大香线蕉综合网站

Welcome to Kunshan Hao Run Precision Mold Co.,LTD

Chinese|English|Homepage/Favorites

_Precision stamping parts | Precision stamping die |CNC precision machining |  Mobile shield  | Sheet metal processing

_Precision stamping parts | Precision stamping die |CNC precision machining |  Mobile shield  | Sheet metal processing
Kunshan Hao Run Precision Mold Co.,LTD
Contact: Miss Su
Mobile: 15995651409
Tel: 0512-87882109
Fax: 0512-57037099
E-mail: suesu@hrjmmj.com.cn
Website: www.mgzhw.cn
Address: No. 471 Road, Kunshan Development Zone Kunjia

News Center

Position:Homepage|Technical Knowledge

Stamping sheet metal processing technology commonly used material resolved

Author: ComeFrom: Date:2015/5/30 22:11:02 Hits:9721
    Stamping sheet metal processing technology commonly used material resolved as follows:
    Galvanized steel SECC
    SECC substrates for the average cold rolled coil, galvanized in a continuous production line after degreasing, pickling, electroplating and various post-treatment process, it becomes galvanized products. SECC not only has the mechanical properties of cold-rolled steel sheet and approximate general workability, and has excellent corrosion resistance and decorative appearance. Has a great competitive and substituting in the electronic products, home appliances and furniture market. Such as the current widespread use of computer chassis is SECC.
    Hot-dip galvanized steel SGCC
    Hot-dip galvanized steel coil refers to semi-finished products after the hot pickling or cold, after cleaning, annealing temperature of about 460 ° C immersed in molten zinc bath, leaving the steel coated with zinc layer, and then by quenching leveling and chemical treatment from. SGCC material harder than the material SECC, ductility (avoid deep drawing design), zinc layer is thicker, poor welding.
    Common cold rolled sheet SPCC
    SPCC cold rolled steel ingot means continuous rolling machine into the desired thickness of the steel sheet roll or sheet material. SPCC surface without any protection, exposure to easily oxidized in air, oxidation speed, especially in humid environments, appear dark red rust, in the use of the surface to be painted, plated or other protection.
    Stainless steel SUS304
    One of the most widely used stainless steel, because it contains Ni (nickel) so than containing Cr (chromium) steel richer corrosion resistance, heat resistance, have very good mechanical properties, non-hardening heat treatment, there is no flexibility.
Contact: Miss Su  15995651409  Tel: 0512-87882109  Fax: 0512-57037099  E-mail: suesu@hrjmmj.com.cn
Website: www.mgzhw.cn  Address: No. 471 Road, Kunshan Development Zone Kunjia
All rights reserved:Kunshan Hao Run Precision Mold Co.,LTD  Technical Support:KSGUOCHENG  Su ICP 15021490 
Link: Qimei electronic  Lenovo  BOE  Apple  ASUS 
国产精品无打码在线播放 | 99精品国产久热在线观看| 精品久久久噜噜噜久久久| 免费无码成人av在线播| 国产精品综合色区小说| 午夜福利电影| 四虎永久在线精品免费观看视频| 国产日韩欧美不卡在线二区| 亚洲色欲综合一区二区三区| 天堂v亚洲国产ⅴ第一次| 中文字幕av一区二区三区人妻少妇| 不卡无码人妻一区三区| 久久综合久久美利坚合众国| 影音先锋啪啪av资源网站| 131mm少妇做爰视频| 99久久久成人国产精品免费| 男女做爰猛烈叫床视频动态图| 亚洲乱人伦中文字幕无码| 日韩精品无码中文字幕一区二区| 亚洲自偷自偷图片| 国产精品香港三级国产av| 久久露脸国产精品| 久久久久久国产精品无码超碰| 7777久久亚洲中文字幕| 国产美女亚洲精品久久久综合| 国产国产精品人在线视| 996热re视频精品视频这里| 一本久久精品一区二区| 狠狠色丁香久久综合| 欧美人妻一区二区三区| 日韩国产欧美亚洲v片| 精品国产av 无码一区二区三区| 精品国产v无码大片在线观看| 天堂av亚洲av国产av电影 | 激情综合婷婷色五月蜜桃| 精品国产福利在线视频| 欧美三根一起进三p| 亚洲成成熟女人专区| 国产人妻777人伦精品hd| 亚洲精品无码久久久久yw| 中文乱码字慕人妻熟女人妻|