BEIJING, May 4 (Reuters) - London base metal prices made robust gains early on Friday as the dollar softened, making metals cheaper for holders of other currencies, while positive data from top metals consumer China helped spur a rebound from losses in the previous session. Markets are awaiting the outcome of two-day U.S.-China trade talks in Beijing that end on Friday. A trade spat between the two countries has roiled metals markets in recent months. FUNDAMENTALS * ALUMINIUM: Three-month aluminium on the London Metal Exchange rose 1.5 percent to $2,303 a tonne by 0226 GMT, having closed down 2.3 percent on Thursday. The most traded June aluminium contract on the Shanghai Futures Exchange rose 0.2 percent. * COPPER: Three-month LME copper climbed 0.7 percent to $6,876.50 a tonne. The most traded June copper contract on the ShFE was up 0.3 percent at 51,130 yuan ($8,060.22) a tonne. * ZINC: Zinc rebounded from Thursday's 1.3 percent drop to trade 0.6 percent higher in London but was down 1.8 percent in Shanghai. The zinc industry agreed a 15 percent drop in annual zinc processing fees to $147 a tonne, miner and metals smelting company Nyrstar said on Thursday. * NICKEL: London nickel rose 1.4 percent, recovering from a 1.5 percent drop on Thursday. * CHINA: Growth in China's service sector picked up in April as new business and employment grew at a faster rate, a private survey showed on Friday, signalling a solid rise in a sector that Beijing is counting on to maintain economic growth. * INTERNATIONALISATION: China plans to open more of its futures contracts to foreign investors, its securities regulator said on Friday, as Beijing launched its "internationalised" iron ore contract in a bid to boost its sway over pricing for one of its top imports. * For the top stories in metals and other news, click or MARKETS NEWS * Asian shares were steady while the Japanese yen held onto overnight gains in early trading on Friday as financial markets turned their attention to the looming U.S. payrolls data for fresh catalysts.