The Hong Kong Zhong Qiang International Industry Commerce Co., Ltd founed in 1997.
The Mesinton(Hong Kong) Co., Ltd founed in 1999.
The Shenzhen Mesinton Co., Ltd founed in 2008.

ZQ Mircrowave is a private, high-technology enterprise specializing in the design and manufacture of microwave filters and other microwave components. ZQ Mircrowave products, in terms of function, low-pass, high-pass, band-pass, and band-reject filters, and in terms of structure, LC, cavity, ceramic, waveguide, tubular, helical, and microwave filters. Other passive products produced include frequency dividers/combiners, duplexers, and multiplexers.
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