Fuwei Films, a manufacturer and distributor of BOPET films in China, has posted a drop in sales of specialty films and net sales during the second quarter ended 30 June, 2022. Net sales were RMB88.7 million ($13.2m), compared with RMB100.6m ($14.1m) during the same period in 2021, representing an 11.8 per cent decrease. Specialty film…