Jin'ge (Chinese for "golden spear") from China's Guangzhou Baiyunshan is said to be on track to eclipse sales of Pfizer's ($PFE) Viagra in China in a few years with a price that is 60% less than the branded erectile dysfunction drug. The company is also said to be looking at taking the copy international. Before Jin'ge hit the market last year, Viagra reportedly had 60% of the market share and Eli Lilly's ($LLY) Cialis held 34.6%, FiercePharmaAsia reports.