1. square, round 2. for olive oil packing 3. dark green color 4.Caps, Shrink, Capping / Filling ... .2. Caps, srhinks, filling machine and capping machine etc for olive oil are all available here.3. one 40'HQ can take ... , oil bottles, candle holders, bowls, plates, spice jars, goblets, fish bowls etc. We have some cooperative factories for accessories including metal lids, plastic ...