Chinese wireless coverage products and services provider GrenTech Corporation Limited (Nasdaq: GRRF) announced first quarter results after market close on Monday. The company recorded $10.2 million in total revenues, up 128.2 percent year-on-year and percent quarter-on-quarter, and a net loss of $5.9 million, down 7.3 percent from last year. GrenTech's China Mobile (NYSE: CHL, 941.HK) revenue increased 342.8 percent from the year-ago period to make up 43.4 percent of GrenTech total revenue. Revenue from China Unicom (NYSE: CHU, 762.HK, 600050.SH) came in at 22.6 percent of the total.