青青青在线视频国产,亚洲熟妇无码一区二区三区,亚洲国产精品无码久久98,竹菊影视欧美日韩一区二区三区四区五区

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 Nitrate,Copper Carbonate BasicCupric Pyrophosphate ,Copper(II) OxideCopper Chloride,Copper Sulfate Pentahydrate.
Nickel Series:Nickel Carbonate Basic,Nickel(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 Solution,Cobalt Sulfate,Cobalt Acetate,Cobalt 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 Copper,Vertical?Electroless?Copper,Selective Organic Conducting.
Copper Plating Process:Via-filling Plating,Vertical?Continuous?Plating.
Circuit Formation:Film Stripper.
Surface Finishing:Electroless Nickel Immersion Gold,Organic Solderability Preservative,Immersion Tin,Immersion Silver.
Other Potions:Coarsening agent,Copper thinning additive,Black oxide,Acid etching solutionAlkaline etching solution,Palladium removal agent,DetergentDeveloping solution,Bath 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
亚洲欧美日韩久久精品| 人妻av无码一区二区三区| 国产精品久久久久久 | 日韩好片一区二区在线看| 国产影片中文字幕| 日韩一本之道一区中文字幕| 国产精品理论片在线观看| 亚洲成在人线视av| 又嫩又硬又黄又爽的视频| 俄罗斯老熟妇色xxxx| 精品久久久久久久免费人妻| 丰满少妇人妻久久久久久| 玩弄人妻少妇精品视频| 免费观看的av毛片的网站| 无码人妻久久一区二区三区不卡| 色偷偷av一区二区三区| 在线亚洲欧美日韩精品专区| 免费精品国产人妻国语| 强奷漂亮人妻系列老师| 深夜福利小视频在线观看| 国产伦子沙发午休系列资源曝光| 国产熟女一区二区三区四区五区 | 免费人妻精品一区二区三区| 亚洲欧洲日产国码久在线| 图片小说视频一区二区| 一本一道波多野结衣av中文| 精品国产一区二区三区久久| 国产亚洲精久久久久久无码苍井空| 亚洲国产天堂久久综合| 四虎影视4hu4虎成人| 高潮内射免费看片| 55夜色66夜色国产精品视频 | 成年女人免费毛片视频永久vip| 亚洲成av人片在线观看天堂无码| 香蕉伊蕉伊中文视频在线| 欧美 变态 另类 人妖| 99精品久久99久久久久| 欧美aa大片免费观看视频| 群交射精白浆视频| 日本大肚子孕妇交xxx| 拍摄av现场失控高潮数次|