Chinese companies operating in Africa must be more sensitive to local conditions and give back to communities to succeed in a continent that is a growing Chinese investment target, officials said...more than 800 companies, most state-owned, operat[e] there as China covets Africa's oil and mineral wealth to feed its economic boom...[Chinese] companies violate labour and environmental standards and leave little to trickle down to local communities..."[they] still lack knowledge of African people and African markets," Lu Bo, a deputy director at China's Ministry of Commerce...[said ahead of] the African Development Bank's annual meeting..."China is a developing country as well, there is not sufficient protection of labour rights" Lu said...