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: 人妻无码手机在线中文| 一本色道久久综合一| 无码av一区在线观看免费| 熟妇高潮喷沈阳45熟妇高潮喷| 日本丰满熟妇hd| 荫蒂添的好舒服视频囗交| 少妇无码av无码去区钱| 亚洲熟妇av午夜无码不卡| 丰满人妻被公侵犯中文版| 欧美午夜一区二区福利视频| 大伊香蕉在线精品视频75| 国产人与禽zoz0性伦多活几年| 久久亚洲精品成人无码网站| 欧美成人免费一区二区| 国产亚洲美女精品久久久久| 欧洲av无码放荡人妇网站| 亚洲男人的天堂网站| 国产成人久久综合77777| 中文字幕无码成人免费视频| 亚洲熟妇无码av在线播放 | 精品国产乱码久久久久app下载| 久久99精品国产99久久6男男| 东京热人妻无码人av| 一本无码人妻在中文字幕| 亚洲欧美高清一区二区三区| 久久国内精品自在自线| 欧美疯狂做受xxxxx高潮| 天堂av男人在线播放| 日韩人妻系列无码专区| 欧美饥渴熟妇高潮喷水水| 日日摸日日碰夜夜爽av| 手机看片精品国产福利| 国产偷人妻精品一区二区在线 | 国产精品久久久久久| 午夜寂寞少妇aaa片毛片| 国产97色在线 | 免| 天天干天天日夜夜操| 无码超乳爆乳中文字幕久久| 日韩夜夜高潮夜夜爽无码| 国内精品久久久久久无码不卡| 久久久久琪琪去精品色一到本|