潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: 50kg/drum

Uses : Used as pharmaceutical Intermediates, mainly for piperazine phosphate,fluphenazine, rifampicin, norfloxacin, flame retardants, desulfurization, decarburization,etc., also used for wetting agents, emulsifiers, dispersants, antioxidants, etc.

Molecular Structure:

Product description:

　　Appearance:?whitecrystal

　　Assay: 99.5% min

　　Water: 0.50%max

　　Chromaticity: 30 max