The phrase "quality certificates" is grammatically correct and commonly used in written English.
It refers to official documents or records that attest to the quality of a product, service, or process. Example: "Before purchasing a new car, be sure to check for the manufacturer's quality certificates to ensure its safety and reliability."
Government watchdogs have found that quality certificates for much of the completed work are suspect or faked.
In a further indication of the possible breadth of the problems, prosecutors recently raided the offices of 30 more suppliers suspected of also providing parts with faked quality certificates and said they would investigate other testing companies.
International customers are likely to consider quality certificates as an "order qualifier" and select only certified suppliers in developing countries.
To test the hypotheses elaborated in the previous section, we collected archival data for a number of major quality certificates that are commonly required in the manufacturing industry in China.
Acquiring quality certificates such as those from the International Organization for Standardization's ISO 9000 series (International Organization for [Standardization 2012]) allows small firms to impress upon prospective clients that standardized processes are followed.
Some of them are already held by entities such as Google, Microsoft, Telefónica, Wikipedia, Facebook, Twitter, financial institutions, publishing groups, NGOs, companies that offer administrative and management services, agencies which provide quality certificates and some other industries of knowledge and culture.
In addition to requiring a certificate from the state stating that the plant is needed for the public good, it needs a water quality certificate, she said.
Even Assemblyman Richard L. Brodsky, a Westchester Democrat who is one of the plant's loudest critics, said he expected Entergy to "try to get the N.R.C. to back off the requirement" for a water quality certificate.
The original federal licenses for the two 1970s-era rexpires expine in 2013 and 2015, and a water quality certificate is a prerequisite for a 20-year renewal by the United States Nuclear Regulatory Commission.
Patients prefer providers with a quality certificate and qualified physicians.
It has an ISO quality certificate for its testing procedures and constant internal quality checks.
