Founded in 1992, Immet Controls Co.,Ltd. specializes design and producing automatical controls products for central air-conditioning, heating, ventilation system. It has a factory area of 15000 square meters product test center. With 250 employees, its ...

Cangzhou Henghui Optical Communication Equipment Co., Ltd　was founded in 1996.It is a professional high-tech enterprise which specialized optical communication equipments , our products achieve both excellent quality and the humanization operation ...