طلبات التوريدات الزراعية / الري - أنظمة الزراعة المائية / المملكة المتحدة

I am looking for drip irrigation pipes in wholesale I do reside in the UK but my friend has bought a farm in Zanzibar So we are planning to start farming and at the same time selling agricultural materials

Im looking for irrigation pipes 16mm drip space 20mm or 30mm. Could you please tell me price and availability?