TradeVerify To purchasing department:Dear Sirs/madam,I am albert I learn your from internet. we are professional urotropine factory. We also sell paraformaldehyde ! production line:Methanol -formaldehyde----paraformaldehyde---urotropine (hexamine)good quality and competitive priceHope we can have next communication. Looking forward your earliest reply. Skype:lisa_geng518 Alibaba: cn220113285SincerelyMiss albert (Sales Manager)Hebei Yuhang Chemical Industry co.,ltdAddress: East of xisun building , lingshou town, hebei , chinaTel: 86-0311- 66682568Mobile:86-15930416889Email: lisageng88815 at gmail dot com