Guangzhou metals and minerals import and export limited has been developing rapidly in the last twenty years since it was established in 1981. It ranks in the"TOP 500 Import and export co***ny in China"with its annual turnover amounts to 130 million US dollars. It was awarded ISO9001:9002 issued by QCCECC CEPRER Quality Systerm Certification Body and "Trustworthy Co***ny"by Chinese Government....