The Zhejiang TTN Electric Co.,LTD. The Zhejiang Tinglang Electrical Appliance Co., Ltd. is a member unit of the China powersource academic society association and it is also a member unit of the China electrical equipment industry association.It is a high new science and technology enterprise. The company grasps "humanist" as the management philosophy and the management concept. The company positively introduces and nimbly utilizes the domestic as well as foreign advanced managerial ...