成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

SZSE:002741
Product Search
Home > Product 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 Basic,Cupric Pyrophosphate ,Copper(II) OxideCopper Chloride,Copper Sulfate Pentahydrate.
Nickel Series:Nickel Carbonate BasicNickel(Ⅱ) Acetate,Nickel(Ⅱ) Chloride Hexahydrat,Nickel Sulfamate Solution Nickel(II) Sulfate Hexahydrate .
Tin Series:Tin(Ⅱ) sulfate,Sodium Stannate Trihydrate,Potassium Stannate Trihydrate Tin(Ⅱ) Chloride Dihydrate,Tin(Ⅱ) Methanesulfonate Solution.
Cobalt Series:Cobalt Sulfamate SolutionCobalt Sulfate,Cobalt Acetate,Cobalt Nitrate,Cobalt 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?Copper,Selective Organic Conducting.
Copper Plating Process:Via-filling PlatingVertical?Continuous?Plating.
Circuit Formation:Film Stripper.
Surface Finishing:Electroless Nickel Immersion Gold,Organic Solderability Preservative,Immersion Tin,Immersion Silver.
Other Potions:Coarsening agentCopper thinning additive,Black oxideAcid etching solution,Alkaline etching solution,Palladium removal agentDetergent,Developing 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
久久亚洲精品成人无码网站| 欧美高清freexxxx性| 无码国产精品高清免费| 又色又爽又黄18禁美女裸身无遮挡| 久久精品国产一区二区三| 超碰97人人做人人爱亚洲尤物| 欧美牲交a欧美牲交aⅴ另类| 亚洲日韩av无码不卡一区二区三区 | 久久不卡国产精品无码| 亚洲一区二区三区无码久久| 久久精品苍井空精品久久| 国产亚洲一本大道中文在线| 制服丝袜国产av无码| 天天躁日日躁狠狠躁视频2021| 国产精品高清一区二区三区| 久久国产精久久精产国| 国精产品一区一区三区有限公司杨| 亚洲女久久久噜噜噜熟女| 国产成人精品一区二区秒拍| 国产亚洲视频免费播放| 欧洲 亚洲 国产图片综合| 白天躁晚上躁麻豆视频| 高清性欧美暴力猛交| 97久久超碰中文字幕| 国产在线不卡精品网站| 国产成人久久av免费| 特级西西人体444www高清大胆| 久久久久亚洲精品无码网址色欲| 亚洲图女揄拍自拍区| 国产精品偷窥熟女精品视频| 国产亚洲视频在线观看网址| 国产成人8x视频网站入口| 久久亚洲sm情趣捆绑调教| 欧美牲交a欧美牲交aⅴ另类| 乱人伦中文无码视频在线观看| 久久精品国产一区二区三区不卡| 成人性生交大片免费看中文| 中国少妇内射xxxhd免费| 亚洲欧美尹人综合网站| 日本高清免费毛片久久| 天天做天天爱夭大综合网|