The launch of Lumia Mango smartphones from Nokia has benefited Taiwan-based makers in the supply chain, and makers believe that orders from Nokia are expected to post a 20% growth in 2012, according to industry sources.

Keypad and metal chassis maker Silitech saw its consolidated revenues grow 3.1% on month and 6.8% on year to NT$1.34 billion (US$44.33 million) in November, thanks to orders for aluminum-magnesium alloy chassis from Nokia, the sources indicated.

Silitech's shipment momentum for the alloy chassis is expected to continue in 2012, the sources added. For the first 11 months of 2012, Silitech posted revenues of NT$12.16 billion, down 3.6% from a year earlier.

Keypad and flexible PCB maker Ichia also saw its consolidated revenues soar 31.3% sequentially and 61.6% on year to NT$1.51 billion in November. In the January-November period, revenues totaled NT$8.66 billion, up 8.3% on year.

Merry has reported consolidated revenues of NT$880 million for November, increasing 25.47% on month and 9.67% on year. However, revenues for the first 11 months of 2011 were down 6.1% on year to NT$6.96 billion, according to company data.