ODM High Quality Screw Top Vial Cap Factory – HAMAG bottle diameter 20mm 20ml crimp top clear headspace vial flat bottom borosilicate for GC GCMS instrument with aluminum caps – Excellent New Materials
ODM High Quality Screw Top Vial Cap Factory – HAMAG bottle diameter 20mm 20ml crimp top clear headspace vial flat bottom borosilicate for GC GCMS instrument with aluminum caps – Excellent New Materials