Desktop plastic injection company

Hello, I'm new on this forum.
I'm from a small place in Mex, where there is only a small company who produces plastic bottles and the top of it?
Principal activities here are, agriculture, ganadery and tourism.
What kind of small products can be done of one use like top a plastic bottle, for starting a small company, Any idea?
Some product for irrigation,agriculture of common consume in the day by day?

You ideas for disposable plastic products?
Silverware, toothbrushes, tampon applicators, hypodermic syringes, pizza spacers, fruit baskets