成品人无套a天堂观看入口_免费十八款禁用看尿口入口快色_已满i8点此进入i3y7y

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NO. 16, Guangtong Road, Longquan Town, Zichuan District, Zibo City, Shandong, China
Oversea Sales:
Tel: 86-532-86959667 Fax: 86-532-86760085
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 1,7-Heptanediol

English Name: 1,7-Heptanediol
Formula: C7H16O2
Purity: 99%
CAS No.: 629-30-1
Melting Point(οC): 20
Usage: Pharmaceutical, pesticide, spice, and coating intermediate
 
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