undefined our factory has advanced machining centers, CNC lathes, CNC milling machines, drilling machines and other production equipment, has a three-dimensional measuring machine, multifunctional test bench test equipment. developed and produced in our factory DZW/DQW/2SA3/BR series Denso has functional, reliable, high control precision, advanced control system, easy maintenance and so on. imposed upon valve remote control, control, remote control and automatic control. most of our products are introduced to Europe, America, and Germany, and Japan technology manufacturing. product according to the Chinese standards for production, you can also press ISO 、API、 ANSI、BS< SPAN style="TEXT-INDENT: 2em; COLOR: bl