淫荡无码,97精品依人久久久大香线蕉97,国产欧美精品一区二区三区四区,最近中文av字幕在线中文

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

欧美色欧洲免费无线码| 国产婬妇毛多水多亚洲AV无码 | 欧美性爱怡红院| 人人操人人操人人爽| 蜜臀亚洲AV永久无码精品老司机| 国产精品丝袜诱惑| www.精品视频| 国产强奸AV| 被老汉耸动呻吟双性美人| 玩弄少妇一区二区| 朋友少妇人要精品系列| 夜里干在线视频| 天堂资源官网在线资源| 久久久久人妻一区精品色| 亚洲九九夜夜| 熟女少妇丰满精品一区二区| 狠狠色综合7777久夜色撩人ⅰ| 色两性网欧美| 桃色综合网站| 亚洲精品天堂成人片av在线播放| 亚洲女同一区二区| 高跟丝袜良家91| 日韩精品 - 色哟哟| 亚洲2022国产成人精品无码区| 一区二区三区成人av| h限无码视频| 成人无码a级毛片免费| 人人看,人人摸,人人插| 女人操逼片免费看| 精品无码久久天媒传媒| 日韩亚洲国产激情一区浪潮av| 国产精品边做奶水狂喷| 美女自拍偷拍一级黄色片自拍偷拍美女!!! | 成人免播放Ⅹ×Ⅹ| 中文字幕女人妻热女人妻| 亚洲精品nV久久久久久久久| 欧美成人三级网站在线观看| 黄色网视毛片视频网站| 亚洲av永久无码精品国产精品| 波多野结衣和黑人| 日韩无码av毛片|