About Us

Qingdao Hongjiyuan Metal Products Co., Ltd started as a factory to manufacture steel springs from year 2010. With several years experience on springs, it started to produce complete trampolines from year  2014. HJ-yuan has  earned good reputation from the customers for good quality and service.


Our products

We are professional trampoline factory,  manufacturer, and exporter for many years. Our main products are different sizes fitness trampolines, kid’s trampolines, and also matching trampoline accessories. Round trampolines, rectangle trampolines, hexagonal trampolines.


Contact us

Qingdao Hongjiyuan Metal Products Co., Ltd locates in the new district of Qingdao West Coast. Professional trampoline company from year 2010. Welcome to visit and contact us for any enquiry about trampoline.



Welcome to send enquiry of any kind of trampolines to us. We would reply within 24 hours.

6ft Trampoline with Enclosure

6ft trampoline with enclosure will surely bring hours of bounce to your garden, it is an ideal trampoline for young children to increase confidence gradually.

8-ft trampoline with enclosure

The 8-ft trampoline with enclosure offers kids a better place, brings more safety space and fun for the whole family. It could be used indoor or outdoor.

10-ft fitness trampoline

10-ft fitness trampoline is one of the hottest sale trampolines which is a great choice for children to make a fun outdoor.

12-ft outdoor jumping trampoline

Children will enjoy endless fun on this 12-ft jumping trampoline - they can even enhance coordination and do some exercise.

14-ft outdoor trampoline

14 ft round trampoline with enclosure offers a very big space for the kids or adults to play or workout.

15-ft fitness trampoline with netting

A 15-ft trampoline with enclosure is one of the safest and bounciest trampolines on the market, which could offer a bigger space for jumping and fun.

16-ft trampoline with enclosure

16-ft trampoline with enclosure is the biggest single trampoline style on the market currently, which offers great space for kids and adults. 

Rectangle trampoline with enclosure

The rectangle trampolines with enclosure are safe and innovative and provide a lot of happy time for your family, especially your children.

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