A na-eji tin phosphorus bronze ZQSn10-1 mee uwe aka ọla kọpa niile nke igwe na-ebipụta QIAOSEN, ndị na-emepụta ihe na-eji BC6 (ZQSn 6-6-3) ọla kọpa.
Uru: Ike dị okpukpu 1.5 dị elu karịa ọla kọpa BC6 nkịtị, nwere ike dị elu, obere iyi, yana ogologo oge njide ziri ezi.
Oge nzipu: Eprel-23-2023