Mar 27, 2008. /Lesprom.com/. Zhejiang Ji’An Paper Packet Co., Ltd. has successfully started up a Metso-supplied containerboard machine PM 1 at its mill in Haiyan, in China's Zhejiang province. PM 1 will produce kraftliner board grades in the basis weight range of 90 -200 g/m2, mainly for the surrounding Zhejiang-Shanghai-Jiangsu area in eastern China. Zhejiang Ji’An Paper Packet Co., Ltd. is one of China's rapidly growing containerboard producers.