(Yicai Global) Aug. 21 -- Shares in Avcon Information Technology have hit the limit up today after the Shanghai-based multimedia communications equipment maker announced it would join hands with Huawei to develop new video-focused products.

Its share price opened up 9.9 percent at CNY4.65 (66 US cents) this morning and has stayed there since.

Avcon and Huawei have agreed to develop visual command center products that emergency departments and maritime centers can use to improve public safety.