Manganese performed with volatility in 2017, with prices supported by supply-side factors in China rather than strong demand. SEE MORE OPEC has its work cut out to persuade the market that its output caps will stabilize oil prices -- and U.S. producers aren’t helping. SEE MORE Oil stabilized on Wednesday after one of its biggest falls for years, but remained under pressure from oversupply and concern that a slowing global economy would depress demand for fuel. SEE MORE The national database on chemicals will play an important role in the work of chemicals management, significantly contributing to the development of the socio-economic sectors as a whole and the chemical industry in particular, an official said. SEE MORE Vietnam takes pride as one of the world’s biggest natural rubber exporter, but it still has to spend nearly $1 billion a year to import mostly synthetic rubber products to satisfy domestic production. SEE MORE