Hatanaka(Shanghai) Special Valve Industries Co.,Ltd visits ZJBV and makes technical exchange

On December 22, 2014, the manager Mr.Qiu, design superiors Mr.Zhang and Mr.Shen of Hatanaka(Shanghai) Special Valve Industries Co.,Ltd visit ZJBV and make good technical exchange on cooperation about special structure of the two eccentric butterfly valve with ZJBV chief engineer Mr.Qiu and plant manager Mr.Tang.