恒信购彩

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              1. <blockquote id='9Uisqm'><q id='9Uisqm'><noscript id='9Uisqm'></noscript><dt id='9Uisqm'></dt></q></blockquote><noframes id='9Uisqm'><i id='9Uisqm'></i>
                Baoding New Century bio-chemicals Co., Ltd....
                Chemical name: 1—Hexene
                Structural Formula: CH3(CH2)3CH=CH2
                Uses: mainly used in medicine hexene, spices, dyes, high plasticizer, higher fatty acids, also used as a general agent, also..      See more>>

                Name: L-Cystine
                Standard: AJI92 USP24
                Properties: White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted....    See more>>

                Graphite electrode
                Graphite electrode adopts high quality petroleum coke, through mix forming, roasting and over 2500℃ high temperature graphitized, order to....     See more>>

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