Purchase Qty. Reference FOB Price
1,000-9,999 Pieces US$5.39
10,000+ Pieces US$5.30
Product Description
Product Description: New design double sided diaphragm, stainless steel head ,New design connected diaphragm with excellent sealing performance.stainless steel binaural with Built-in spring. Products Detail: specification: Product Name Stainless Steel Adult New Design ...