QBF is involved in design, manufacturing, engineering and service filed for bulk material handling Industries like steel plant, power plant, harbor terminal, tunneling underground, chemical, cement plant, mining, etc. Group company were established in 2010 with three business activities involved in more than 60 countries and area globally. 

QBF has been the N.O 1 sidewall belting product exporter in China.

EasyClean ®  conveyor system is the self invention with patent for the solution of sticky material in pocket belting especially in tunneling and mining shaft project which gives higher construction capacity and efficiency. 

Maxlift ®  conveyor system is the self invention with patent for the solution of higher vertical lifting capability which give the advantages of lower construction budget and higher working efficiency compared to the traditional inclined shaft in tunnelling and minging field.

Suncess in quality and win in service are the company business phylosophy. Product ranges

are included for Sidewall Conveyor Belt, Steel Cord Conveyor Belt, Fabric Conveyor Belt,

Bucket Elevator Belt and supplies Filter Belt, Pipe Conveyor Belt, Chevron Conveyor Belt,

Ceramic Pulley Lagging, Bonding Glue and service works at jobsite are available.

Qingdao Quaddro Material Handling is a Sino-German combination specialised in offerring

bulk material handling for different conveyor system based on 3 decades know-how. The

company are committed for critical issues and improving conveyor system for user’s


Our history

Completed QBF rubber headquarter
Became the only Chinese supplier of the sidewall belting for TATA steel
Completed more than 5 million dynamic fatigue test for sidewall belting in USA, surpassing the international leading level
Participated in drafting the standard of <<TBM corrugated sidewall belting>>
Shortlisted small and medium-sized Chinese science and technology enterprises
Completed the certification of knowledge product standard system
Successful operation of Qingdao metro line 1 and line 4
Successful operation of Guangzhou metro Guangfo line

Diversified service strategy with Sino-German Joint Venture - Qingdao Quaddro Materials Handling Solution Co., Ltd. Smooth operation of The first phase of Haiyang Mingshuo Machinery Production Base  Replaced well-known German brand at India's largest cement plant Successful operation of Dubai and Japanese Metro projects with vertical sidewall beltings, enhancing the strength of Made-in-China. Successful operation of Beijing metro line 12

Smooth performance of the maximum capacity of 2,350 TPH Upgraded the equipment automation in line with the ranks of the world's advanced brands Expanded the production capacity by investment of Haiyang facility

Exported to 32 countries and regions;  Focused on the middle and high-end market; Shortlisted by China Baowu Group

Successfully entered to the Americas and Middle East markets; Started a full range of automation equipment upgrading

Successfully entered the European and southeast Asian markets and was recognized by the market, doubling production capacity

Founded QBF rubber with registered address: Jiaodong Town, Jiaozhou City, Entered the trial production stage and invested Asia's largest sidewall belting production line