Dalian Sinogreat Import & Export Co., Ltd. is a professional import & export company and we have 18 years experience in the international trade. We own two factories. One is Panshi Sinogreat Preservative Factory to produce all kinds of oxygen absorbers, desiccant, ethylene absorber, ethylene ripener, etc. The other is Dalian Yuchengguangyuan electronics Co., Ltd to design and produce 3D printer, GPS tracker, etc. We have excellent engineer in software and hardware and can do any software development too. Our products have been exported to many countries. We think quality is the soul of an enterprise and we have strict quality control. Our team target is to supply the high quality products with competitive price and excellent service and prompt delivery. We have strong capacity ability in new product development. We would like to do OEM orders too.Welcome to contact us for free!