ZKR Thermal Engineering designs and manufactures atmosphere rotary kilns, vacuum sintering furnaces, roller hearth kilns and battery material kilns — from a 6,000 m² factory in Yixing, Jiangsu, with 180+ furnaces delivered to 10 countries.
From laboratory tube furnaces to large-scale atmosphere production lines — engineered for electronics, powder materials, ceramics, glass and lithium battery industries.
AtmosphereContinuous roller hearth kilns for high-volume sintering and calcination with precise atmosphere control.
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ContinuousSealed rotary kilns for continuous, stable-atmosphere calcining and sintering of powders and granular materials.
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AtmosphereBottom-lift atmosphere furnaces for controlled-atmosphere sintering and calcining of batch loads.
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ContinuousPusher-type continuous kilns for high-throughput sintering under precise atmosphere control.
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ContinuousMesh-belt continuous furnaces for sintering, brazing and annealing of small parts under controlled atmosphere.
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Energy materialsKilns for lithium battery cathode/anode materials — LiFePO₄, lithium cobalt oxide, lithium manganese oxide.
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AncillaryComplete furnace support systems: atmosphere generators, exhaust treatment, loading tables and control cabinets.
Inquire →GlassRoller-hearth lehr and annealing furnaces for glass tempering, decorating and melting processes.
Inquire →LaboratoryHorizontal and vertical tube furnaces for laboratory and small-scale research under controlled atmosphere.
Inquire →BatchCar-bottom furnaces for heat treatment of large workpieces, heavy castings and structural components.
Inquire →BatchVertical pit furnaces for gas carburizing, nitriding and quenching of long shafts and cylindrical parts.
Inquire →Zhongke Thermal Technology (Jiangsu) Co., Ltd. is located at the national economic development zone in Yixing — the "pottery capital" of Jiangsu. The company combines furnace R&D, design and high-temperature material development, producing box furnaces, resistance furnaces, atmosphere furnaces, tube furnaces, roller hearth kilns, pusher kilns, tunnel kilns and battery-material kilns.
Applications span electronic components, powder materials, ceramics and lithium batteries — with a complete chain from R&D and design to manufacturing, installation and service. Over 180 industrial furnaces have been delivered to customers in 10 countries, including Huawei, BYD, CATL, CRRC and BTR.
Independent R&D and production of laboratory and industrial electric furnaces since the early 2000s — 6,000+ m² phase-I plus a 20,000+ m² phase-II base with automated production and testing lines.
Eight furnace families from 100°C to 1800°C — PLC smart touch-screen control, furnace uniformity up to ±2°C, and atmosphere options covering oxidizing, inert and reducing environments.
Trusted by CATL, BYD, Huawei, CRRC, BTR, Shanshan and Zichen — with university partnerships at Tsinghua, Nanjing University of Science & Technology and the Chinese Academy of Sciences.
Certified to ISO 9001:2015 and ISO 14001:2015 with AAA credit rating — quality raw materials, rigorous inspection and 180+ furnaces delivered across 10 countries.
Practical knowledge on furnace technology, operation and energy efficiency.
From design to after-sales — one integrated team stands behind every furnace we deliver.
Round-the-clock online technical support across all time zones.
Inquiries and technical questions answered within 24 hours.
One-year warranty, original spare parts, installation and commissioning guidance for overseas projects.
180+ industrial furnaces delivered to customers in 10 countries across Asia, Oceania, Africa and the Americas — expanding into Russia, Mexico and Vietnam.
Bold = delivered · Regular = markets we are expanding into
Send us your material, capacity and atmosphere requirements — we will recommend the right furnace design for your line.
Zhongke Thermal Technology (Jiangsu) Co., Ltd.
Huhuang Avenue, National Economic Development Zone, Yixing, Jiangsu, China
www.zkrzkr.com (Chinese) — English site: raykiln.com
Atmosphere roller hearth kilns, rotary kilns, lift furnaces, pusher kilns, mesh belt furnaces, vacuum sintering furnaces, tube furnaces, box furnaces, drying furnaces, tunnel kilns and battery material kilns — for electronics, powder, ceramics, glass and lithium battery industries.
Yes. We design furnaces around your material, capacity, temperature, atmosphere and process requirements. Send us your parameters and our engineers will recommend a configuration.
Yes. 180+ ZKR furnaces have been delivered to customers in 10 countries — Korea, Japan, Australia, the USA, Singapore, India, Morocco, Brazil, Argentina and Indonesia. We support international customers with packaging, documentation, installation guidance and after-sales service.
Lead time depends on the furnace type and specification. Contact us with your requirements for a specific schedule.
We provide installation and commissioning guidance, and our team supports international customers throughout the process.
Yes. Send us your furnace type, material, capacity, temperature and atmosphere requirements — our engineers will provide a tailored quotation, usually within 24 hours.
