Shares in Chamberlin, which makes metal products such as door handles and steering wheel components, moved higher after it returned to profit in the six months to September 30 as sales moved back towards pre-economic crisis levels.The company posted a pre-tax profit of £91,000 for the period, against a loss of £713,000 the previous year, as revenues jumped to £18.3m from £14.2m.Revenues climbed by 29% to £18.3m from £14.2m.'While that is still approximately 20% below the group's pre-recession first half peak of £23.5m in 2008, we expect revenues to continue to build,' said chairman Tom Brown. He said engineering demand is recovering in the UK and globally.