29 求购

最新国际求购:亚硫酸钠化学 ,na2so3 chemical
na2so3 chemical na2so3 chemical na2so3 chemical1,thioure (nh2)2cs 5000kg2,amonium persulphate (nh4)2s2o81000kg3, lead(ii) acetate tri hydate pb(ch3coo)2.3h2o1000kg4, lead (ii, iv) pb3o41000kg5,potassium bromade kbro32000kg6,potassium bromide kbr 2000kg.7, potassium cyanide kcn1000kg8,potassium permanganate kmo43000kg9,sodium peroxide na2o2 1000kg10,sodium sulphite anhydrous na2so3 5000kg-10.000kg11, sodium thisulphate na2s2o35000kg..pac, naoh....hoan kiem, ha noi, vietnamcontact person mr. pham luc hatelephone 84-166-9556557 website http://www.todaytex.com/

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