Auxiliary Facilities

COOLDO Mesh belt annealing & Welding furnace is designed for hardware industry, especially jewelry industry. It applies to K gold and silver link parts, and the welding of chains;
Its combined frame is easy to install and dismantle, high-quality and stable pipe heating system, having a mechanical transmission with highly pure protective gas and it is equipped with a purification device of nitrogen produced via ammonia decomposition. And it is a good equipment for bright annealing, solution treatment, continuous welding, and lead welding of different metals and stamping parts.

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We offer customized dust collection system to meet your requirement. Dust collectors are used widely in many industry where require separate dust from flue gases. It's effectively reduce or eliminate particulate matter and gas streams from many industrial processes such as welding, rubber and plastic processing, high speed machining with coolants, tempering, and quenching.

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COOLDO Billet Reheating Furnace is a non-standard furnace which can design and manufacture on basis of your requirements. we produced the reheating furnace with the electric indcution heating method, which the oxidization ratio in o.5% more less than the gas and fuel. These furnaces are mostly used in Steel Rolling Mills for heat the raw material up to proper temperature like the Billets, Blooms, Slabs,Scrap or Ingots.

Approaching each project as a partnership, the goal of COOLDO is to share the customer’s vision to produce the best for the your application.

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The COOLDO BOX furnace is a flexible single chamber furnace (oven) design that can be customized to meet many processing requirements

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COOLDO Induction Heating Equipment offers a controllable and localized heating method to the parts or components with very low cost but creates significant costs savings versus other traditional process heating technologies. According with different heating solutions, COOLD Induction Heating machine supplying the medium frequency series, high frequency series, Ultrasonic frequency for meeting a wide range of applications, including soldering, brazing, heat treating, bonding, melting, crystal growing, hardening, annealing, and shrink fitting.

Approaching each project as a partnership, the goal of COOLDO is to share the customer’s vision to produce the best for the your application.

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Cooldo Benchtop XRF gold tester with best precision levels and reasonable price. XRF testing way is non-destructive and don't need to prepare special samples.It only take couple of minutes for the whole testing,fast with high precision.All liquid,solid and powder samples are workable. XRF spectrometer will help to control production line and maximally reduce the lost, it also can inspect Jewelry's quality.The traditional testing methods(such as fire assay and chemical ways)are not only ruinous but also take long time to prepaere samples.

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