Hot ire China akpaka C/Z purlin mpịakọta akpụ igwe

Nke a bụ igwe mpịakọta C/Z purlin akpaka na-akpụ igwe.
Ọ nwere ike ime:
C Purlin:
a: 80-300mmb: 35-80mm c: 10-25mm T: max 3mm
Z Purlin:
a: 120-300mm b: 35-80mm c: 10-25mm T: max 3mm
Nha niile nwere ike ịhazigharị na-akpaghị aka, C/Z na-agbanwe site na ntuziaka.