Sunny Optical Technology (Group) (HKG:2382) recorded a 5.6% decline in the shipment volume of its handset lens sets to 111.1 million units in November from a year prior, according to a Friday bourse filing.

Shipments of handset camera modules also plunged 28% year over year to 37.4 million units.

Vehicle lens set shipments, on the other hand, rose by 9.9% during the month to 7.5 million units.