Whatsapp +86 13775611273

China Manta Fitness

Hello, gym free weights distributors, wholesalers, vendors, or resellers!


We’re very glad to work with you and supply OEM dumbbells, kettlebells, barbells, weight plates, sledgehammers, and macebells. And hope to build a long business relationship with you.


Manta Fitness was founded with the goal of increasing customers’ sales aggressively and enhancing consistent supply capacity at the lowest price possible. We act as a troubleshooter, by providing multiple solutions to detrimental policies or global emergencies.


Dumbbells/ Barbells/ Kettlebells/ Weight plates China Manta made,


Horizontal/vertical DISA line/ Casting by machine production

ENSHU 650V & EV 530 Vertical Machining Center

Shin Nippon RB-2N Planner/ Shaping, Slotting, and Broaching

Hitachi Seiki CNC Lathe/Machining

Mori Seiki CNC Turning Centers/ Machining

KIWA drilling machine

CRYSTA-APEx S (Mitutoyo) CNC coordinate measuring machine


We seek to bring world-class customer service to the free weights industry. We believe in underpromising and over-delivering, as well as prioritizing relationship-building and customer retention over aggressive marketing tactics.


Frequently Asked Questions (FAQ)

More Questions?

We are always more than happy to answer any questions or discuss any requirements to make your stay with us even more special.

We’re looking forward to hearing from you.


Manta Team


Our History

  • 2005 Jianyuan established under the administration of Bao Steel
  • 2010 Jianyuan independent from Bao Steel
  • 2016 China Manta Fitness established
  • 2017 Vietbuild & BIG 5
  • 2018 Attended China Sport Show in Shanghai, China
  • 2019 RoHS certificated awarded
  • 2020 All casting lines upgraded to machine production
  • 2023 China Sport Show in Xiamen (Booth No. B2516)
  • 2024 China Sport Show in Chengdu (Booth No. 8B146)

Our Factory

free weights manufacturer china Manta Fitness

Our Technical Team

Production is our root

Production technique ensures the consistent product quality performance, shortest lead time, reasonable costs, etc.


Our production supervising team ensures the goods to be produced under a satisfied condition, our production head has 45 years of experience of machining and grinding production and supervision, used to be appointed as senior expert by Bao Steel, which ranks 275 in Fortune Global 500.

Design is our leaves

Free weights including dumbbell, barbells, kettlebells and weight plates are mature in market for decades, that makes customers difficult to be different from their competitors.


We have a team to make 3D drawing according to customer’s specialized requirements, our cast iron product design manager used to attend the establishment of EN124 stand.

Our RoHS CE Certificate

ROHS certificate - CTB190118006C

CE Certificate - China Manta Fitness

Our Chief Engineer's Certificate