... , circuit foundation, principle of automatic control, programmable controller, digital electronic technology, the micro controller, application-specific integrated circuit, ... SCM technology and application, electrical technologyPAYMENT1.We accept payment:1,TT, 2, Western Union, 3,paypal(Recommended) ... for all the shipping cost incurred. Other Policies: 1. About MOQ which depends on your order. 2. ...