US oil prices plunge into negative territory at $37.63 a barrel on Mar 20th. down more than 300 percent. It was the first time oil had Plunge into neg…
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在询价中，尽可能提出详细要求，例如，KN95口罩包装如何，是碗状还是折叠的，往往不同规格价格差距很大。其次，有些企业并非长期专业从事医疗产业，因此确认外贸公司的资质十分重要，可以检测例如是否拥有各种产品CE/FDA认证。
Detailed requirements should be put forward when inquiring. For example, how is the packaging of the KN95 mask? whether it is bowl-shaped or folded? Different specifications are usually at different prices. Secondly, some companies are not long-term and professional in the medical industry. Therefore, it is important to confirm the qualifications of the supplier. What we can do is to check whether they have relevant CE / FDA certification.