JSC Ukrnafta became the first company in the oil and gas industry of Ukraine to receive the ISO 29001 certificate, the company reported on Wednesday. "This international standard defines the requirements for quality management systems for companies operating in the oil, petrochemical and gas industries. It is based on ISO 9001, but includes additional criteria for management, design, development, production, service, etc.," Ukrnafta noted. ISO 29001 guarantees stable product and service quality,