久久黄色国产精品一区视频,日本高清一级二级三级,少妇下面好爽好紧好湿一区二区,精品人妖一区二区三区四区,一二三四五区av蜜桃,人妻一区二区三区av,男女真人后进式猛烈视频网站,日本不卡在线视频二区三区,91九色免费视频网站,国精产品一区一区三区有限在线

About US

        Dongguanshi zhangli machine fittings co.,ltd. is a thermal spraying factory located in the beautiful Humen town Dongguan city China,established in 1998,specializing in the production and repairing of the machinery part with thermal spraying coating in wire & cable,textile & chemical fiber,metallurgy industries,printing and packaging,canned food industry. 
 
        We have the state of the art spraying equipment : the detonation spray coating series, HOVF spraying series,the wire flame spraying series,the rods and bars flame spraying series and so on.they mainly apply in regeneration of the professional mechanical fitting function,improve the wear-resistance,anti-corrosive,erosion resistance,high temperature proof and conductor adiabatic etc.The mental materials for the spray coating mainly are : chromium oxide ceramics,aluminum oxide,titanium oxide,tungsten carbide,nickel base,cobalt base and so on.we use different material and powder according toclients requirements. 
 
        In order to provide more satisfactory service to customers and also to improve the quality of products,we've cooperated R&D with colleges and universities positively,for the newest and highest technician of spraying and coating.Furthermore,we have brought in the new coating technician of sintering of Tungsten carbide and Nickel powder on the surface of base material from Germany in 2014,which weed out the traditional hand operation fire flame spraying,and obtained the technician of better rigid and stable coating.
 
        Aim to improve the products precision,and provide better service to customer,we have equipped with digital controlled lathe center,internal and external grinding machine,milling,drilling,dynamic balance equipment.We have passed the ISO9001:2008 quality management system certification so that we can devote ourselves to offering more superior products and service.
 
        The surface coating being with high hardness,smoothness and strong binding of the base material,which is of great importance to the industrial level improving,energy saving and the environment protecting.
 
        Owing to our years of endeavor and research,now our products are applied in many domestic machinery field,within which the tungsten carbide and the ceramic machinery accessories were exported to more than 30countries,and were very well-received among European and southeast Asia countries.
 

 




Telephone

0769-85415700

function

Price

quality

service

Wechat sweep

Mobile phone sweep

亚洲国产精品综合久久网各| 日产精品一区二区免费| 两个人看的www中文在线观看| 亚洲制服中文字幕第一区| 成年男人裸j照无遮挡无码| 日韩精品国产一区二区| 新视觉亚洲三区二区一区理伦| 女优av性天堂网男人天堂| 97cp在线视频免费观看| 玩弄白嫩少妇xxxxx性| 性一交一乱一伦一色一情孩交| 久久国产精品久久精品国产| 欧美成人形色生活片| 欧美在线不卡视频| 国产在线观看不卡网址| 久久精品国产9久久综合| 国产精品国产三级国产a| 成人欧美一区二区三区| 亚洲国产另类精品| 亚洲天堂中文| 日本在线观看一区二区三区视频| 五月婷婷六月丁香久久综合| 欧美伦费免费全部午夜最新| 成人特黄a级毛片免费视频| 色天使综合婷婷国产日韩av| 国内精品人妻无码久久久影院导航 | 色婷婷一区二区三区四区成人网| 无套内谢老熟女| 国产成人精品成人a在线观看| 亚洲视频高清| 国产后入内射在线观看| 亚洲精品一区二区成人精品网站| 亚洲开心婷婷中文字幕| 激情第一区仑乱| 国产精品亚洲专区在线播放| 亚洲成人色黄网站久久| 日本护士口爆吞精视频| 亚洲中文字幕无码av| 日本熟妇色xxxxx欧美老妇| 狼人国产精品亚洲| 免费看黄在线永久观看|