CHANGHONG CNC is a professional manufacturer of uPVC window machines, aluminum window machines,s and curtain wall processing machines,s and insulating glass machine,s and glass cutting machines with more than 16years experience, we paid more attention to develop new machines, and we also received many customized machine for different customers different requirements. We have got ISO 9000 certificate, SGS certificate, and CE certificate.Our factory is located in beautiful spring city- JINAN, our factory space is 5500 square meters, except for China headquarters office, we set up overseas warehouse and office in India, in addition, another overseas warehouse and offices are going on. by now, we have exported our machines to more than 60 countries with1500 customers in the world. Such as the USA, Canada, Russia, Ukraine, Romania, India, Indonesia, Vietnam, Thailand, Pakistan, and so on. We always insist on the idea of SINCERE\ PROFFESIONAL\SERVICE and SPEEDY to cooperate with every customer.