Fountain pen inki inogadzirwa nemaoko muwekishopu kubva munhevedzano yezvigadzirwa zvakabikwa zvakasarudzirwa kugadzikana uye kuita.Ingi dzedu dzakasanganiswa ne diluent, thickener, humectant, lubricant, surfactant, preservative, uye colorant.Zvinongedzo zvinosanganiswa zvine hungwaru uye zvakanatswa pamusoro pematanho gumi nemaviri ane hushoma hwematanho matatu akakwana ekusanganisa paruvara kuti ive nechokwadi chemhando uye kuenderana mukati mebatch diki yega yega.