Focus on the bicycle R & D and manufacture since 1995



24 years experience


TIANJIN GAMMA BICYCLE CO.,LTD. is our subcompany. Our group is including domestic market factory, OEM factory, electric tricycle factory, and painting factory.

Built into every GAMMA bike is more than 20 years of pride and passion. GAMMA’s Long histories pedaling pedigree is present whether you’re climbing on a feather-weight all-carbon road racer, slipping through the wind aboard an E-bike, ripping singletrack astride a full-suspension MTB, hopping barriers with a nimble ‘cross bike or spinning the boardwalk on a stylish beach cruiser. For us it’s not just about the number of years we’ve created bicycles, it’s about what people say as a result of those years.

More often than not we hear the same thing: “I felt reliable for GAMMA bike”

OEM Bicycle Factory

Whether you want to buy GAMMA or want to get GAMMA services, a qualified GAMMA factory will ensure you enjoy the undiluted GAMMA fun.

OEM Lithium Electric Bicycle Factory

Whether you want to buy GAMMA or want to get GAMMA services, a qualified GAMMA factory will ensure you enjoy the undiluted GAMMA fun.


pre-sale service

We can provide you with a complete product line solution, optimized specification for you

Sale service

We strictly control the production process to meet customer needs and provide high value services for you.

After sales service

We have a strict traceable quality control system to relieve your worries. We can provide professional technical support.

OEM Bicycle Manufacture


We begin with an analysis according to your needs. We suggest you which models of bicycles and components fit to your requests and specific budget.

We are provided with a wide Bicycles Catalogue, tested for these services, as well as the possible shipment of sample bicycles.


We can paint the bicycles in the color that you want . To change brakes, hubs, handlebars, pedals, saddles, wheel covers, all the elements are customizable.

The cost of the customizations can vary in every case. You can ask about all these aspects without commitment, in order to obtain your ideal bicycles fleet.


Once the product is defined we give you a closed budget where we specify the bicycle with the components, how are you going to receive them, the packing format, shipping costs, distribution etc.


In the fixed period, without surprises, we control from the quality of the weldsem of the pictures up to the process of painting and finished, the components, the assembly, packing and labelling.

We can inform you about the process from start to finish, as well as notifying any innovation, or price readjustment.


To transport bicycles is not easy, so we ensure that they come in perfect conditions to their destination.

We ship bicycles every day and we always guarantee their correct packing, transport and reception.


We have a wide experience in bicycles manufacture for customer.,at the same time, we has a complete after-sales management system. We can also provide technical support to customer.


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