The sanitary bags produced by Shandong Jinxiang Paper Co, a major supplier of sanitary bags to domestic airlines in Tai'an, Shandong province. [Photo/Tai'an Daily]

Sanitary bags produced by Shandong Jinxiang Paper Co, a major supplier of sanitary bags to domestic airlines, could be found on board the China-made C919, which made its first commercial flight from Shanghai to Beijing on May 28.

Located in Ningyang county, Tai'an, Shandong Jinxiang Paper Co is now a leading sanitary bags producer that holds 70 percent of the market share in China.

"We supply 40 out of 52 airlines in China, and have reached a cooperative relationship with Shanghai Railway Bureau to supply high-speed trains and the railway passenger transport market," said Zhao Lei, founder of the paper company.

The paper company currently operates 25 automatic production lines that manufacture 3 million sanitary bags every day.

Large machines produce sanitary bags in Shandong Jinxiang Paper Co in Tai'an, Shandong province. [Photo/Tai'an Daily]