Apple supplier Foxconn Technology said on Saturday it had raised wages for its assemblage line workers in China by 16 to 25 percent , as the caller faces public scrutiny for its working precondition at its factories .

A big activist mathematical group however said the wages at Foxconn are still too low-down .

For actor in Shenzhen , a major manufacture base of operations for Foxconn , the increment raises monthly wage to between 2200 yuan ( US$ 350 ) and 2500 yuan . antecedently , monthly salaries for Foxconn ’s Shenzhen workers were at 1800 yuan .

Foxconn , which implemented the wage tramp on Feb. 1 , mark that its worker earnings had already exceeded the Shenzhen government ’s mandated minimum monthly wage necessity of 1500 yuan . 75 percent of Foxconn ’s assembly line of products manpower in Shenzhen are currently receiving wages of more than 2200 yuan , the company add .

Foxconn announced the earnings increases as the troupe ’s mill in China undergo aninvestigationby the Fair Labor Association ( FLA ) , a labor right grouping . Apple joined the FLA last month , and asked the group to inspect its largest suppliers .

Despite Foxconn ’s wage increase proclamation , the employee monthly salaries are still too abject , said Debby Chan , a project officer with Hong Kong - base proletariat watchdog group Students & Scholars Against Corporate Misbehavior . On top of their regular working hour , many of Foxconn ’s employees will also do overtime work , adding an extra 60 60 minutes to 80 hours to their work - month , she enjoin .

Foxconn workers ’ salary also diverge by location , Chan said . In the city of Zhengzhou , raw Foxconn workers make an modal monthly remuneration of 1,350 Mongol dynasty , she said . “ After the remuneration increase , it will be 1650 yuan , ” she said . “ I recollect Foxconn is playing with the numbers . ”

Foxconn , one of the domain ’s expectant electronic manufacturers , also supplies company admit Dell , Sony and Microsoft . But the company has face up repeated negative promotion for its so-called harsh workings conditions .

In 2010 , a string of suicides , involve employee start off buildings , prompted Apple to investigate . Last May , an explosion at a Foxconn manufacturing plant in Chengdu , China , also lead to three prole deaths , and more than a dozen other injured .