Changzhou LISHENG Technologies Co., Ltd. was established in 2007 in Changzhou / China. The factory have 4000 employee, working on 65000 square feet production area. They are mainly focused in production and development of acoustic components for smartphones, notebooks, household appliances and automotive applications. The product range consists primarily of dynamic loudspeakers and electromagnetic buzzers. LISHENG is certified according to ISO9001, ISO14001 und IATF16949.
BOSAN Hitech Co. Ltd. was established
in January 1997 and is located in Incheon, South Korea. BOSAN is
specialized in micro ectromagnetic SMD transducers. The BOSAN production
technology is unique and fully automated. All production machines are
developed by BOSAN. All parts are lead-free reflow solderable. The
advantages of the automated production methods are: stable costs, stable
quality, stable delivery. The production capacity are 5 million pcs./month with just 30 employees.
Changzhou CHINASOUND Electronics Co., Ltd. is
an ISO 9001, ISO 14001 TS16949 certified and well experienced company, continuesly
focusing on research, development and production of acoustic components
since 1999. Main products are Sound generators, especially Piezo sound
generators and alarm devices for many kind of application like home
appliances, medical equipment, smoke detectors and automotive
applications. The factory is 3500 m2 big, has 200 employees and is
located in Changzhou. Certification: ISO 9001, ISO 14001, QS9000 and TS 16949. Production capacity 1,5 Mio pcs per month.