About Us

Zhengzhou Boiler Co., LTD., one of the leading international manufacturers of hot water boiler, steam boiler, industrial autoclave, is a joint-stock enterprise with the A-class Boiler Design and manufacture License (the highest level license awarded by AQSIQ in China), A1, A2 Prseeure Vessel Design and Manufcature License, ASME U and ASME S certificates. More than 70 years’ experience in boiler and pressure vessel design and manufacturing has rewarded us with an industrial boiler (oil & gas fired boiler, coal fired boiler, biomass fired boiler, circulating fluidized bed boiler, waste heat recovery boiler) production line, an autoclave production line, a low-temperature insulation equipment production line, and a non-standard pressure containers production line. We have the EPC qualification of large-scale power plant boiler project, providing clients with a full range of proucts and service. As the company continues to grow, many honors have followed us. Now our company has covered an area of 200,000 square meters, with more than 1100 employees and more than 200 various types of manufacturing equipment, and ten large research bases.


Main products

Two types of Boiler: steam boiler and hot water boiler, including: Oil & Gas Fired Boilers, Coal Fired Boilers, Biomass Fired Boiler, Circulating Fluid Bed Boiler, Waste Heat Recovery Boiler, Power Plant Boiler.
Autoclave products: Hydraulic-opening Autoclave, Pneumatic-opening Autoclave, Electric-opening Autoclave, Manual-opening Autoclave.
Cryogenic storage and transportation equipment: LNG tank container and 1.2-100 fixed vacuum insulated tanks and other products.
AAC Plant: Fly ash, sand-lime, concrete AAC block Plant.


Main Products Ranges

1. WNS series oil & gas steam boiler: 2-20 ton/hour, hot water boiler 0.7-14MW.
2. SZS series chain grate steam boiler: 4-35 ton/hour.
3. SZL series quick assembly chain grate boiler: 4 ~ 25 T/h steam boiler, 1.4 ~ 14 MW pressure-bearing hot water boiler.
4. DZL series chain grate boiler: 2 ~ 25 T/H steam boiler, 2.8~ 17.5 MW hot water boiler.
5. Biomass fired boiler: 2 ~ 25 T/H steam boiler, 2.8~ 17.5 MW hot water boiler.
6. CFB boiler: 10-280 ton.
7. AAC block plant : 50000-250000m³.
8. Pressure vessel products: Reaction Kettle, AAC Autoclave, Gas Tank, etc.

Quality Assurance

Our strong financial and technical support, and our own R & D and innovation are the guarantee of providing customers with pretty good products and services. To meet the requirement of national low-carbon, environmentally friendly, and energy-saving, our study team has invented a series of autoclave and ancillary products with excellent design, high performance and excellent quality. We have 102 sales office in domestic cities which enjoyed a good reputation, and constantly exported to Southeast Asia, Central Asia, Europe and other countries and regions.


Depending on the efforts of the staff, we have been identified by many famous international certifications: ISO, ASME, IBR. They are the ISO9001 Quality Management System Certification in 1999, Quality Management System Certification by IQNET and IQM in 2002, and boiler and pressure Vessel certification by ASME in the September of 2008.



1945 – Zhengzhou Boiler Factory was established
1996 – Winning the World Bank GEF efficient industrial boiler project
1997 – Obtain B-class boiler manufacturing license.
1999 – Obtained ISO9001-94 Quality Management System Certification
2002 – Get A class boiler manufacturing license
2002 – ISO 9001-2000 quality management system switch version got success
2002 – Become a technological innovation demonstration enterprise in Henan Province
2004 – Obtained Henan Province High-tech Enterprise Certificate
2004 – Establishment of subsidiary Zhengzhou Boiler Auxiliaries Co., LTD.
2005 – Establishment of subsidiary Zhengzhou Zhengguo Vessel Co., LTD.
2006 – Establishment of subsidiary Zhengzhou Zhengguo Installation Engineering Co.,LTD.
2008 – Zhengzhou Boiler Co., Ltd. was founded
2009 – Establishment of subsidiary Zhengguo Vessel Co., Ltd.
2011 – The company signed and manufactured its first 240ton/hr CFB power plant boiler.
2013 – Zhengzhou Boiler Co., Ltd. was selected as 2013 Top 100 Enterprises in Zhengzhou.
2014 – Passed the ASME certification and ISO9001 certification review.
2015 – 116MW CFB boiler listed as NO.1 in the efficient boiler promotion directory, which was published by National Development and Reform Commission( NDRC ).