About Us


Top-Sorb Technology Co., Ltd is a leading professional manufacturer of container desiccants and integrated supplier of container cargo dry solutions. We have the most comprehensive product designs, excellent moisture absorption capacity, and continuous technological innovations.

Bentonite mine

In 2004, Top-Sorb joined a bentonite mine as a member of shareholders and built its own manufacture base near the mine, which is located in Ning Cheng county, a place in the middle of Inner Mongolia. It is a newly explored bentonite mine, with montmorillonite content higher than 95%, which is the finest in quality among all bentonite mines found in China even in the world up to now.

Clay Factory

Top-Sorb’s clay factory is engaged in production of pure bentonite clay and activated clay&mineral, including the selection of raw materials, sun-cure, primary and 2nd drying, impurity removal, particles filtration&clarifying, bag packaging etc.

Main production machines&Facilities: conveyor, bucket elevator, cylinder dryer, horizontal dryer, high intensity magnetic separator, particle sieving machine, packing bin, granulating machine, etc.. The clay we produced, is not only for self use, but also export to global desiccant packing companies in accordance with different standards including China GJB2714-96, USA MIL-D-3464E, Japan JIS Z-0701, Germany DIN55473 etc..

Packing Factory

Top-Sorb packing factory is located in Shanghai, the centre of China market, engaged in the packaging of desiccant sachets and bags, the laminating, printing, cutting of desiccants package materials, with breathable film.

Main production equipment: automatic laminating machine, printing machine, slitting machine, feeding machine, mixing machine, ultrasonic machine, multi-functional digital packaging machine, cup type packaging machine, weighing type packaging machine etc.

Top-Sorb believes in“good product comes from good machine“With on-site studies and investigations at Japanese, German, American parter’s factories, Top-Sorb gives great importance to the selection and investment of high tech machines and professional staff. Top-Sorb is proud of its facilities and production technology, which is at a higher level than domestic players.
op-Sorb’s factory has powerful production capacity, strictly running under ISO9001:2008 quality management system.