The process flow is: that the original steel plate, that is, the original mould, Yin, maintop pattern concave, pressed plastic version —— welding by stamp layout: skinpass page make up layouts guniting silver, copperizing-nickel-coated, cavity (for positive and maintop pattern convexes)—— a printing plate nickel plating shall be guilty of submodules, concave maintop pattern--a printing plate chromeplating treasure…every two pieces by mechanical bent of the semisircle package 5.1 core-students'computer proofing-business card printing and membership card.

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With common industrial pure aluminum L2 as experimental material, a sulfuric acid AC anodization and black nickel plating process was used to reduce the cost of processing, focusing on the analysis of the effects of temperature, current density and mass concentration of nickel ions on the performance of the black coating.

研究以常用的工業(yè)純鋁L2為實驗材料男人天堂最新在线，采用硫酸交流電陽極氧化和電鍍黑鎳工藝來降低成本，著重分析溫度无码aaaaaaaaa在线、電流密度色人人操人人、鎳離子的質(zhì)量濃度等對黑色膜層性能的影響91在线视频播放入口在线观看。

The company in Singapore, Germany, Japan and other countries of the plating process technology, with professional technical staff to provide you with electroless nickel plating, electroplating, silver, copper, zinc, chromium, copper alloys, and Sn-Zn ternary alloy trivalent chromium oxide such as surface treatment services.

本公司采用新加坡看久久久久久久一毛片，德國，日本等國家的電鍍工藝技術(shù)真实偷窥拍摄系列网站，配備專業(yè)的技術(shù)人員黄色www123.，為您提供化學(xué)鍍鎳，電鍍銀一级黄色毛片视频免费看，銅国产91精品专区，鋅，鉻国产免费一级毛卡片AAAAA级，銅錫鋅三元合金以及鋁合金三價鉻氧化等表面處理服務(wù)黄色2级视频。

Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.

通過多次試驗確定了鎂及鎂合金的前處理方案，以磷酸洗的方法代替?zhèn)鹘y(tǒng)的鉻酐加三氯化鐵酸洗浸蝕的前處理工藝美女自慰喷水国产，配置簡單www.αeαe.28.com日韩黄色片，操作方便，以浸鋅層、氰化銅層和中性鎳層作為化學(xué)鍍中間層国产进出又黄又大又粗视频，得到了結(jié)合力良好的化學(xué)鍍鎳層久久有线视频，獲得了鎂合金表面處理的新突破。

The method of electroless nickel plating was used in this study, let Ni-P particle is suspended form the plating solution, therethrough spontaneous reaction use the alloy is clodding full of the Glass Fiber Woven Cloth, attach the Glass Fiber Woven Cloth have like alloy particle good conductivity, Improved the electric properties of this fibers and help improved high electromagnetic shielding, with Theromoset Resin mixture the conductivity filler graphite, composite with High Electromagnetic Shielding Composites.

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The company has passed ISO 9001 quality management system certification, specializing in a variety of electrical components of the metal surface treatment, electrical products contact pieces point gold-plated, silver, nickel, copper, tin, zinc and acid, such as electroplating, aluminum oxide and coloring , and metal pieces of the surface of electroless nickel plating.

公司已通過 ISO 9001 質(zhì)量管理體系認(rèn)證久久免费看A级毛片，專業(yè)從事各種電器元件的金屬表面處理，電器產(chǎn)品接觸件爱青岛黄色网站推荐、點的鍍金超碰动态图、銀、鎳人人干人人弄人人插、銅欧美一欧美视频在线电影视频、錫、鋅及酸洗等電鍍99精品久久费精品国产精品，鋁材氧化和著色在线涩视频网址，及金屬件表面化學(xué)鍍鎳。

We can provide: K gold, imitation gold, old gold, silver, old silver, nickel,black, red bronze, green bronze \ various environmental non-nickel plating and so on Product color may also be in accordance with customer drawings and samples require custom-made.

我們能提供：K金一级作爱免费视频、仿金裸体美女扒尿口喷白浆草莓视频、古金、白銀精品国产麻衣在线观看AV、古銀欧美成A人片免费观看久久、鎳、錆黑自拍视频精品、紅古銅国产免费乱在线观看、青古銅\各種環(huán)保無鎳等等電鍍產(chǎn)品顏色，也可根據(jù)客戶來圖來樣要求定做肏屄自拍视频。

A wide range of plating: bronze, nickel plating, gun white, imitation gold, imitation platinum, chrome and so on.

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In order to obtain reasonable processing parameter of electroless nickel plating, the influences of the concentration of reductants NaH_2PO_2 and complex agents DL-lactic acid, stabilizers ,pH value and temperature on the deposition rate , the content of P and stability of the plating solution were studied.

在化學(xué)鍍鎳的工藝中香蕉五月开心婷婷，研究了次亞磷酸鈉和絡(luò)合劑乳酸的濃度欧美特级AAAA、pH值、穩(wěn)定劑和溫度等工藝參數(shù)等對沉積速度和鍍鎳層含磷量的影響日本免费网，找出了合理的化學(xué)鍍鎳工藝：還原劑的濃度為25 g/l~ 30g/l又粗又大又色视频网站，絡(luò)合劑乳酸的濃度為8ml/l ~ 12 ml/l，pH值的范圍為4.6 ~ 4.9女人爽到高潮视频，選擇作穩(wěn)定劑使劲摸使劲操无码在线，溫度為85℃左右。

Product surface treatment: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet, Mechanical alvanizing, Hot-dip Galvanizingetc.

并可以根據(jù)客戶的生產(chǎn)需求對螺絲產(chǎn)品進(jìn)行以下表面處理：鍍白鋅www26uu欧美、黃鋅污污美女在线观看免费、黑鋅、鍍錫国产男女色黄大片、鍍鎳亚洲一区IGAO影院、達(dá)克羅、機械鍍鋅8X免费视频国产区、熱浸鍍鋅等亚洲一区二区区。