Foxconn has reopened all its shining workshop , other than the one at Chengdu in China , which was keep out down after a blast there on May 20 killed three mortal , the companionship said .
After the explosion traced to the polishing workshop at the Chengdu factory , Foxconn keep out down its round workshops at other mill for a revue of all prophylactic policies and procedures at the workshops .
The investigation into the explosion at the readiness in Chengdu is on-going , Foxconn Technology Group said in a statement on Thursday . It did not give a particular date for the reopening of that facility which makes Apple ’s iPad 2 .
Foxconn has another facility in Shenzhen that ready most of the iPads , but some analyst have raised doubt whether the factory at Shenzhen can make up for the disruption of production at Chengdu .
Research house IHS iSuppli said in May that if output at the Chengdu manufactory is disrupted until the end of June , it could ensue in a product loss of about 500,000 unit of the iPad 2 in the second fourth .
Foxconn say on Thursday that while the probe into the Chengdu bang continues , it has plow the preliminary finding that the chance event was likely due to an explosion of aluminum dust in a ventilation duct . The company said it had put in place improvements in shop ventilating system , revamp its policies and practices relate to the garbage disposal of the dust , and apply new technologies that will further heighten the safety in these workshops .
Should the probe identify any extra areas where advance could be made , Foxconn will not hesitate to immediately implement those measure , it added .
While most iPad 2 production takes place at the Foxconn facility in Shenzhen , that plant may not be capable to pay off for all the lost output in the 2d fourth part at the Chengdu site , iSuppli say .
The research firm has forecast that 7.4 million iPad 2 unit will be shipped into the distribution channel during this period . The Shenzhen factory , with a yield capacity of 7.5 million units , may not be able to meet all the production requirements , as it will have to bring forth 7.8 to 8.1 million units to meet the interruption between manufactory production and the cargo of product into the channel , Rhoda Alexander , an iSuppli analyst said . Not all manufactured units make it through the final inspection , for example , Alexander added .
Gartner analyst Amy Teng however said she did not anticipate a pregnant encroachment from the Chengdu blast on iPad cargo . The Chengdu factory had just started making the iPads , and most of the production of iPads is still done in other factories in China , she added .
Michael Kan of IDG News Service contributed to this report .
