Ordered Ink Cartridges from this company, received 12 days after order (promised 3-5), Cartidge did not work, tried to contact customer service (they only provide an email address) to exchange or refund, no answer, so tried again in a few days, again no answer, after 5 attempts of this i decided to find out who owns ink4sale and where it is located so i could write a letter or call, it is owned by "smartone services LLC" in hayward, ca, owned by one "Eric Pu", address 27613 Del Norte Ct, Hayward, Ca 94545, no phone # listed... read full review »