亚洲爆乳AAA无码专区,高雅人妻被迫沦为玩物,亚洲欧美高清一区二区三区,99久久人妻精品免费一区

Contact: Teresa Du
TEL: +86 871 63627807
MP: +86 18988158746
Email: info@ynfuye.com
CN | EN
Product
MolecularFormula:Na2SiF6MolecularWeight:188.06Implementationstandard:GB23936-2009DangerNo:2674HazardLevel:6.1ProductCode:2826.901000Executive:Physical...
Formula:NaFMolecularWeight:41.99Executionofstandardvertebrae:YS/T535.7-2006Dangernumber:1690Hazardlevel:6.1ProductCode:2826.192010Physicalandchemicalp...
Molecularformula:NaBF4MolecularWeight:109.81implementationstandard:Q/XGZ007-2001Physicalandchemicalproperties:Whiteorcolorlesscrystals.Theabsolutedryi...
Molecularformula:Na2Ti63H20MolecularWeight:207.88Implementationcriteria:Q/XGZ048-2001Physicalandchemicalproperties:Whitecrystals,solubleinwater,insolu...
Molecularformula:SiO2Meltingpoint:1610°CBoilingpoint:GT;100°CDensity:2.6g/mLat25°CRefractiveindex:1.544Storageconditions:2-8°CAnothername:gasandwaters...
Molecularformula:CaF2Molecularweight:78.07Alsoknownas:fluorite,fluoritepowder,fluoritepowderMeltingpoint:1270-1350°CDensity:3.18g/cmUNKrefractiveindex...
Development history
20 Years
Began in 1999
10 +
Technology patent
4 +
The factory
1999
Entreprene...
Establishment
2000
Startingye...
Starting
2001
Yearofdeve...
Development 
2002
Management...
Management
2003
Doubledyea...
Doubly
News center
Message
Message
Hello! If you have any questions about our services, please fill in the questions and submit them. We will reply to you as soon as possible. We will keep your information confidential.
  • Name：
  • Tell：
  • Title：
  • Content：
  • Code：
Contact us
Mobile mall
Top