久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

SZSE:002741
Product Search
Home > Product Search
Search
GHTECH Products Overview
1.Metal Compounds:

GHTECH has four series of high-purity electronic and plating-grade copper, nickel, tin and cobalt compounds with high purity and stable performance. Most of the compounds have been recognized as national key new products and high-tech products in Guangdong Province. They are widely used in PCB, electronic components, surface treatment, etc.


Copper Series:Copper NitrateCopper Carbonate BasicCupric Pyrophosphate Copper(II) OxideCopper ChlorideCopper Sulfate Pentahydrate.
Nickel Series:Nickel Carbonate BasicNickel(Ⅱ) AcetateNickel(Ⅱ) Chloride HexahydratNickel Sulfamate Solution Nickel(II) Sulfate Hexahydrate .
Tin Series:Tin(Ⅱ) sulfateSodium Stannate TrihydratePotassium Stannate Trihydrate Tin(Ⅱ) Chloride DihydrateTin(Ⅱ) Methanesulfonate Solution.
Cobalt Series:Cobalt Sulfamate SolutionCobalt SulfateCobalt AcetateCobalt NitrateCobalt Chloride.
Others:Potassium Pyrophosphate.
2.New Energy Materials:
3.Plating Additives:
4.Other Specialty Chemicals:

Other customized development chemicals or special chemicals for large packages for industrial enterprises.


5.PCB Solutions:

Providing the deep matching specialized chemicals for the PCB wet process and having many patents. Some of the product indicators have reached the international advanced level.


Inner Layer Treatment:Brown Oxide.
Hole Conduction Process:Horizontal Electroless CopperVertical?Electroless?CopperSelective Organic Conducting.
Copper Plating Process:Via-filling PlatingVertical?Continuous?Plating.
Circuit Formation:Film Stripper.
Surface Finishing:Electroless Nickel Immersion GoldOrganic Solderability PreservativeImmersion TinImmersion Silver.
Other Potions:Coarsening agentCopper thinning additiveBlack oxideAcid etching solutionAlkaline etching solutionPalladium removal agentDetergentDeveloping solutionBath cleaning agent.
6.Chemical Reagents:

The products are mainly general chemical reagents, which have more than 1,300 kinds and more than 2,500 specifications, including general inorganic reagents, general organic reagents, special reagents and other specialty chemicals.
General Inorganic Reagent: Elemental Class, Oxide/ Peroxidate, Inorganic Acid, etc.
General Organic Reagent: Salts of Organic Acids, Hydrocarbon/ Substituted Hydrocarbons, Alcohol/ Phenol/ Ether/ Ketone, Nitrile/ Amine/ Urea, etc.
Specific Reagent: Biochemical Reagent, Chromatographic Reagent, pH and Redox Indicator, Photochemistry and Electrochemical Analysis Reagent, etc.


7.Brand Cooperation :

Merck: As the agency of Merck laboratory reagents and consumptive materials for more than 20 years, GHTECH has won the only domestic title of "excellent partner" for two consecutive years.
Honeywell:The agency of high purity reagents of Honeywell for nearly 10 years.
Hach:The agency of water quality analyzer supporting reagents of Hach for more than ten years.
Nikkelverk:The agency of 1X1 Nickel Anode, 2X2 Nickel Anode, D Crown, Crown, etc.
VALE:The agency of Longharbour R-Rounds, P Pellet, S Pellet, etc.


Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 丰满大码的熟女在线视频 | 999精品视频在这里| 美女又色又爽视频免费| 黄色视频免费看| 免费午夜无码视频在线观看| 日韩av片无码一区二区三区| 丰满少妇高潮惨叫久久久| 大地资源中文在线观看官网第二页| 国产精品免费大片| 精品久久久久国产免费| 色偷偷久久一区二区三区| 精品国产乱码久久久久久红粉| 久久精品国产色蜜蜜麻豆| 精品成人免费自拍视频| av永久天堂一区二区三区| 热久久视久久精品2019| 日本在线看片免费人成视频1000| 在线无码中文字幕一区| 手机在线看永久av片免费| 熟妇丰满多毛的大隂户| 亚洲精品suv精品一区二区| 精品国产一区二区三区久久影院| 成年女人爽到高潮喷视频| 骚片av蜜桃精品一区| 一本大道精品视频在线| 18禁黄网站免费| 日本少妇毛茸茸高潮| 久久伊人少妇熟女大香线蕉| 国产福利视频在线观看| 国产69精品久久久久人妻刘玥| 热99re6久精品国产首页| 无码人妻丰满熟妇a片护士| 少妇人妻无码专区毛片| 欧美午夜精品久久久久久浪潮| 性夜久久一区国产9人妻| 久9视频这里只有精品8| 亚洲成a人无码亚洲成www牛牛| 纯肉无遮挡无码日本动漫| 草草网站影院白丝内射| 理论片午午伦夜理片影院99 | 欧美黑吊大战白妞|