 Chinese sawmill owners at Sibu and Bintulu were instructed by the Japanese to produce timber for repairs at oil fields and ship building . During the Japanese occupation , sawmills at Bintulu produced a total of 4 @,@ 000 tons of sawn timber . 
 Chinese sawmill owners at Sibu and Bintulu <a href='uninflect' title='1'><mark>were</mark></a> instructed by the Japanese to produce timber for repairs at oil fields and ship building . During the Japanese occupation , sawmills at Bintulu produced a total of 4 @,@ 000 tons of sawn timber . 
Chinese sawmill owners at Sibu and Bintulu was instructed by da Japanese to produce timber for repairs at oil fields and ship building . During tdaJapanese occupation , sawmills at Bintulu produced a total of 4 @,@ 000 tons of sawn timber .