... ports, electric power, metallurgy, chemical, food, heavy lo According to its functions,the covering rubber can be divided into types of ... made of al-cotton,Anylon and cotton blend or trueran vinylon and cotton blend.Usage:convey materials of non-corrosiveness,lump ... ready made articles.-cotton,Anylon and cotton blend or trueran vinylon and cotton blend.Usage:convey materials of non-corrosiveness,lump- ...