uzalishaji kuu wa ф 48-3620mm ukuta unene 6mm-40mm kraftigare daraja 3PE bomba chuma imefumwa, mafuta na gesi bomba, mafuta na gesi maambukizi mradi coated bomba la plastiki, coated plastiki moto bomba usalama, moto ulinzi ndani na nje coated plastiki chuma bomba, moto kuzamisha plastiki nguvu threading chuma bomba, cable ulinzi bomba.