why choose us

1. We are factory

Quality make difference!

Cooldo has more 8 members(factories) which is able to provide a whole production line for the foundry ,steel making industry and metal test industry. Cost-effective,highly efficient, durable and easy-to operate machine is what we deliver.

2. Provided turnkey solution

We offers you a complete turnkey solution for building a steel plant,foundry or metal forming Industry. We can design the plant, manufacturer the equipment, install and commission it. also we can Provide the professional engineer team to your place to run the factory for you.


3. Strict Quality Control System

Before Being dispatched from our factory all of our equipment will undergo a series of strict test,including the appearance quality test, voltage electrical test, aging test also the package strength checking.On our production line each worker takes personal responsibility for their assigned task and this allows us to guarantee our products.
Our circuit board production process is shown below:

4. Professional after sales service

(1) Our teams provide onsite installation, commissioning and after sales service. Regarding melting furnaces we must successfully complete the melting process SIX times before handing over the equipment.
(2) You will get FREE lifelong technical advice from our highly qualified engineers at Cooldo. This will give you a lot of confidence when buying from our company.
(3) We guarantee the ongoing supply and preferential prices for spare and wearing parts.
(4) Our highly qualified ream of service technicians are well equipped to keep your machines operating at high efficienc at all times.

5. Product Range:

Cooldo product range is very extensive and covers virtually every metal heat treatment /forming/testing application: lile melting, quenching, brazing, forging etc. Including the following:
-Jewelry casting shop
-Gold refinery factory
-Gold testing machine• Foundry
-Steel plant
-60-150 square mm steel billet production line •
-8 mm-32 mm Reinforcing bars production line
-Bolts and nuts making line
-Cosed type Water cooling system
-Furnace transformer
-Lab furnace induction heating machine/
-Induction forging machine heat treatment equipment