Hanrui Puzer Bulk Handling Technology (Shanghai) Co.,Ltd established in 2002, is a science and technical company of designing, manufacturing, sales and services. Our products and services are extensively used in the trades of petroleum, chemical industries, chemical fiber, plastic resin, metallurgy, pharmacy, food, environmental protection, coal gasification, etc. For these ten years, we engaged in bulk solid materials handling system, provide designing, equipment and engineering services. We bring great benefits to users base on our mature technology and user's application experience. At present, Hanrui has more than 1500 domestic and international clients, business both in China and abroad. We persist in technology cooperation with the famous internal and international enterprise, engineering company, design institutes and universities on engineering designing and equipment manufacturing, achieved fixed win-win relations.Our main products and services:Bulk solid handling system---Design and general contract for system as below: pneumatic conveying, unpacking, de-dusting, weighing, mixing, drying system, automatic palletizing packaging.Bulk solid handling related equipments----Design and manufacture for the following equipments: automatic bag emptying, big bag emptying, dump station, rotary valve, diverter valve, bag filter, tubular drag chain conveyor, screw feeder, slide valve, double air lock valve, anti-bridge lump breaker.The rotary valve has been awarded six national patents, and been listed in Shanghai high-tech achievements transformation projects. Automatic bag opener has been awarded five national patents, one of which is invention patent and listed in 2009 national innovation fund projects; besides, semi-automatic bag opener was awarded one national patent.
