Does Tiantong cooperate with Huawei?

Cooperation. The core material of Tiantong's RF SAW filter is piezoelectric crystal material, accounting for 50% of Tiantong's output, while Wuxi Haoda Electronics Co., Ltd. accounts for 50% of its output. In addition, Wuxi Haoda Electronics Co., Ltd. is Huawei's supplier of RF SAW filters. Huawei wholly owns Wuxi Haoda Electronics Co., Ltd. through Hubble Technology Investment Co., Ltd. and increases its registered capital.