Sinces its inception, Tongbo always adheres to the "guided by technology, depended on quality, efficiency leads development" principle. Smooth on the surface, but firm in heart, pursuance excellence, continous innovation, strive to exceed customers' expectations, pay attention on attract and nurture talented people, contious introduceand absorb new technical, new technology, new devices at home and abroad make our products quality better, function more perfect and performanc more reliable. Adhere our mottor"Pursuit is endless" working hard and keep forging aheead Tongbo has achieved CCEE/ISO9001/CE/RoHS certifications and our products assumed qualtiy liability insurance by PICC. Thanks to years mutual efforts. Now Tongbo own many technology patents.