quantity certificate meaning in Chinese

七.数量单
数量证明书
数量证书

Certificate of quantity certificate issued by sgs ( pt . sucofindo ) at the port of loading . : 1 original and 3 copies
由sgs在装运港发出的重量检测证书： 1份原件和3份副本。
Quality & quantity certificate issue by china commodity inspection & quarantine bureau ( this documents should be sent to issuing bank by dhl within days from date of arrival . )
8由中国商品检验检疫局出具质量，数量证书（由买方在到港天内送进开证银行）。