求购香草粉和碳酸铵！
在加拿大 有个越南朋友叫我帮忙找香草粉和碳酸铵的生产商： now i have inquiry about Vanillin powder and ammonium carbonate do you have relationship with the manufacture who produce these products? 能提供的请留下QQ...华人论坛
在加拿大 有个越南朋友叫我帮忙找香草粉和碳酸铵的生产商： now i have inquiry about Vanillin powder and ammonium carbonate do you have relationship with the manufacture who produce these products? 能提供的请留下QQ...华人论坛