1- Exporter's authorization letter in for of local agent M/s. MANTECH International (sample attached) 出口商的授权书,抬头写当地××××(请参考附件样本)
2- Confidential Commission Letter: As per attached sample 保密的委托书,见附件样本
3- Manufacturer's Technical Data Sheet (TDS) for the offered items where from required specification / parameters can be verified. 生产商已报价产品的的技术参数资料需要与所要求的相一致[收起]