求翻译：我已让纽威阀门公司报价，另打算让超达和方正公司报价。我有一个问题：报价公司的资质有什么要求，比如石油公司的认证或预审？是什么意思？

Neway Valve Company to offer, and the other going to let Chaoda and Founder offer. I have a question: What are the requirements for the qualification of the quoted companies, such as the oil company's certification or pre-trial?

I have been to New Zealand, valve's offer, it is intended for and founder quote. I have a question: quote of what are the requirements for oil companies, such as the certified or pre-trial?

I have let Niu Prestige Valve Company quote price, planned in addition lets reach ultra with the upright company quotes price.I have a question: What does the quoted price company's intelligence have to request, for instance petroleum company's authentication or preliminary hearing?

I have let nuve valve company quotes, mean ultra and founder company offers. I have a problem: quoted company's qualification requirements, such as the oil company's certification or pre-trial?

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