Konnyaku Fishballs, Fishcakes, Teochew Fishballs - All these are widely sold in most vegetarian stalls in singapore.
Wei Qi Char Siew - I used this for my mariated char siew rice and feedback was good!
They offer free delivery with $50 orders and above to nearby locations. Its good to surf the web and call before you want to go!
May not be as good as friendly supplier, but good enough if you need just some common products.
Location: BLOCK 3017, #03-30
Bedok North Street 5,
Gourmet East Kitchen,
Tel: (65) 6445 1686
Fax: (65) 6445 3007