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GSKJ is the professional leading manufacturer of inflatable bouncy castle, bounce house, inflatable combos, inflatable slides, inflatable sport games, water park, inflatable water toys, inflatable advertising, inflatable models, air track, inflatable surfboard, inflatable boats and more inflatables, and we could provide free customization and designs for customers, try our best to satisfy with everyone is our mission, top quality is our obligation. We are located in beautiful Guangzhou City, China, welcome to visit us at any time. Let's win-win cooperation.

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Company History


HOP JUMP is the brand of GSKJ Technology, we had focus on the R&D and manufacturing of bounce house, bounce combo, kids inflatables, inflatable water slides, inflatable obstacle course, inflatable tent and inflatable advertisings since 2007. 


We established international sales department and design teams at Guangzhou in 2015, and our inflatables products had been sold to more than 102 countries till now, top quality had win high reviews from our customers.


In 2017, Our Shenzhen branch company was established, and we started more explores at technology fields, which increase the production techniques and we built more cooperation with more customers at different countries and areas.


In 2021, we established branch factory at Guangzhou, and make the products to be more professional, and we started the new production line for blow up surfboard, air track and inflatable boats.


After Covid-19 passed, we will establish USA branch company and UK branch company, we will provide more good services to more customers and it will be much easier and convenient for Europe and USA customers, please stay tuned.

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Company Details

Main Market

North America

South America

Western Europe

Eastern Europe

Eastern Asia

Southeast Asia

Middle East




Business Type


Brands : GSKJ

No. of Employees : 50~150

Annual Sales : 3 million-10 million

Year Established : 2007

Export p.c : 70% - 80%