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
国产一区二区无码蜜芽精品| 国产真实夫妇视频| 国产人妻无码一区无| 深夜放纵内射少妇| 好硬好湿好爽再深一点动态图视频 | 日本精品人妻无码77777| 午夜一区一品日本| 天码人妻一区二区三区| 成人免费看吃奶视频网站| 图片小说视频一区二区| 女被男啪到哭的视频网站| 国产精品久久久久久久久久| 免费吃奶摸下激烈视频| 亚洲精品日韩中文字幕久久久| 欧美性猛交xxxx黑人| 最新亚洲人成无码网www电影| 人人草人人做人人爱| 国产偷国产偷亚洲高清人| 最新精品国自产拍福利| 九九99无码精品视频在线观看| 国产成 人 综合 亚洲专区| 国产成人精品亚洲777人妖| 久久久久久成人综合网| 亚洲欧美日韩自偷自拍| 亚洲人成无码网www电影榴莲| 女被男啪到哭的视频网站| 国产美足白丝榨精在线观看sm | 国模吧双双大尺度炮交gogo| 精品少妇人妻av免费久久久| 好吊妞国产欧美日韩免费观看| 亚洲欧美熟妇综合久久久久 | 久久国产高潮流白浆免费观看| 亚洲精品一区久久久久| 成人国产三级在线观看| 国产一区二区三区在线观看免费| 性生交大片免费看女人按摩摩| 夜夜爽夜夜叫夜夜高潮| 综合在线视频精品专区| 国产日韩在线亚洲色视频| 伊人久久综合成人网| 产精品视频在线观看免费|